20852752960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1\times {\mathrm{3907}}^1$

素因数の和:5220

約数の個数: 112

約数和(自身を含む): 53530658496

約数和(自身を除く): 32677905536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1283, 2080, 2566, 3907, 4160, 5132, 6415, 7814, 10264, 12830, 15628, 16679, 19535, 20528, 25660, 31256, 33358, 39070, 41056, 50791, 51320, 62512, 66716, 78140, 82112, 83395, 101582, 102640, 125024, 133432, 156280, 166790, 203164, 205280, 250048, 253955, 266864, 312560, 333580, 406328, 410560, 507910, 533728, 625120, 667160, 812656, 1015820, 1067456, 1250240, 1334320, 1625312, 2031640, 2668640, 3250624, 4063280, 5012681, 5337280, 8126560, 10025362, 16253120, 20050724, 25063405, 40101448, 50126810, 65164853, 80202896, 100253620, 130329706, 160405792, 200507240, 260659412, 320811584, 325824265, 401014480, 521318824, 651648530, 802028960, 1042637648, 1303297060, 1604057920, 2085275296, 2606594120, 4170550592, 5213188240, 10426376480, 20852752960]

約数ペア:

[(1, 20852752960), (2, 10426376480), (4, 5213188240), (5, 4170550592), (8, 2606594120), (10, 2085275296), (13, 1604057920), (16, 1303297060), (20, 1042637648), (26, 802028960), (32, 651648530), (40, 521318824), (52, 401014480), (64, 325824265), (65, 320811584), (80, 260659412), (104, 200507240), (130, 160405792), (160, 130329706), (208, 100253620), (260, 80202896), (320, 65164853), (416, 50126810), (520, 40101448), (832, 25063405), (1040, 20050724), (1283, 16253120), (2080, 10025362), (2566, 8126560), (3907, 5337280), (4160, 5012681), (5132, 4063280), (6415, 3250624), (7814, 2668640), (10264, 2031640), (12830, 1625312), (15628, 1334320), (16679, 1250240), (19535, 1067456), (20528, 1015820), (25660, 812656), (31256, 667160), (33358, 625120), (39070, 533728), (41056, 507910), (50791, 410560), (51320, 406328), (62512, 333580), (66716, 312560), (78140, 266864), (82112, 253955), (83395, 250048), (101582, 205280), (102640, 203164), (125024, 166790), (133432, 156280)]