20148896560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{78437}}^1$

素因数の和:78495

約数の個数: 120

約数和(自身を含む): 53397452880

約数和(自身を除く): 33248556320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 169, 190, 208, 247, 260, 304, 338, 380, 494, 520, 676, 760, 845, 988, 1040, 1235, 1352, 1520, 1690, 1976, 2470, 2704, 3211, 3380, 3952, 4940, 6422, 6760, 9880, 12844, 13520, 16055, 19760, 25688, 32110, 51376, 64220, 78437, 128440, 156874, 256880, 313748, 392185, 627496, 784370, 1019681, 1254992, 1490303, 1568740, 2039362, 2980606, 3137480, 4078724, 5098405, 5961212, 6274960, 7451515, 8157448, 10196810, 11922424, 13255853, 14903030, 16314896, 19373939, 20393620, 23844848, 26511706, 29806060, 38747878, 40787240, 53023412, 59612120, 66279265, 77495756, 81574480, 96869695, 106046824, 119224240, 132558530, 154991512, 193739390, 212093648, 251861207, 265117060, 309983024, 387478780, 503722414, 530234120, 774957560, 1007444828, 1060468240, 1259306035, 1549915120, 2014889656, 2518612070, 4029779312, 5037224140, 10074448280, 20148896560]

約数ペア:

[(1, 20148896560), (2, 10074448280), (4, 5037224140), (5, 4029779312), (8, 2518612070), (10, 2014889656), (13, 1549915120), (16, 1259306035), (19, 1060468240), (20, 1007444828), (26, 774957560), (38, 530234120), (40, 503722414), (52, 387478780), (65, 309983024), (76, 265117060), (80, 251861207), (95, 212093648), (104, 193739390), (130, 154991512), (152, 132558530), (169, 119224240), (190, 106046824), (208, 96869695), (247, 81574480), (260, 77495756), (304, 66279265), (338, 59612120), (380, 53023412), (494, 40787240), (520, 38747878), (676, 29806060), (760, 26511706), (845, 23844848), (988, 20393620), (1040, 19373939), (1235, 16314896), (1352, 14903030), (1520, 13255853), (1690, 11922424), (1976, 10196810), (2470, 8157448), (2704, 7451515), (3211, 6274960), (3380, 5961212), (3952, 5098405), (4940, 4078724), (6422, 3137480), (6760, 2980606), (9880, 2039362), (12844, 1568740), (13520, 1490303), (16055, 1254992), (19760, 1019681), (25688, 784370), (32110, 627496), (51376, 392185), (64220, 313748), (78437, 256880), (128440, 156874)]