80912260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 210268800

約数和(自身を除く): 129356540

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 836, 988, 1045, 1235, 1430, 1489, 2090, 2470, 2717, 2860, 2978, 4180, 4940, 5434, 5956, 7445, 10868, 13585, 14890, 16379, 19357, 27170, 28291, 29780, 32758, 38714, 54340, 56582, 65516, 77428, 81895, 96785, 113164, 141455, 163790, 193570, 212927, 282910, 311201, 327580, 367783, 387140, 425854, 565820, 622402, 735566, 851708, 1064635, 1244804, 1471132, 1556005, 1838915, 2129270, 3112010, 3677830, 4045613, 4258540, 6224020, 7355660, 8091226, 16182452, 20228065, 40456130, 80912260]

約数ペア:

[(1, 80912260), (2, 40456130), (4, 20228065), (5, 16182452), (10, 8091226), (11, 7355660), (13, 6224020), (19, 4258540), (20, 4045613), (22, 3677830), (26, 3112010), (38, 2129270), (44, 1838915), (52, 1556005), (55, 1471132), (65, 1244804), (76, 1064635), (95, 851708), (110, 735566), (130, 622402), (143, 565820), (190, 425854), (209, 387140), (220, 367783), (247, 327580), (260, 311201), (286, 282910), (380, 212927), (418, 193570), (494, 163790), (572, 141455), (715, 113164), (836, 96785), (988, 81895), (1045, 77428), (1235, 65516), (1430, 56582), (1489, 54340), (2090, 38714), (2470, 32758), (2717, 29780), (2860, 28291), (2978, 27170), (4180, 19357), (4940, 16379), (5434, 14890), (5956, 13585), (7445, 10868)]