87963920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5261}}^1$

素因数の和:5304

約数の個数: 80

約数和(自身を含む): 234895680

約数和(自身を除く): 146931760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 5261, 8360, 10522, 16720, 21044, 26305, 42088, 52610, 57871, 84176, 99959, 105220, 115742, 199918, 210440, 231484, 289355, 399836, 420880, 462968, 499795, 578710, 799672, 925936, 999590, 1099549, 1157420, 1599344, 1999180, 2199098, 2314840, 3998360, 4398196, 4629680, 5497745, 7996720, 8796392, 10995490, 17592784, 21990980, 43981960, 87963920]

約数ペア:

[(1, 87963920), (2, 43981960), (4, 21990980), (5, 17592784), (8, 10995490), (10, 8796392), (11, 7996720), (16, 5497745), (19, 4629680), (20, 4398196), (22, 3998360), (38, 2314840), (40, 2199098), (44, 1999180), (55, 1599344), (76, 1157420), (80, 1099549), (88, 999590), (95, 925936), (110, 799672), (152, 578710), (176, 499795), (190, 462968), (209, 420880), (220, 399836), (304, 289355), (380, 231484), (418, 210440), (440, 199918), (760, 115742), (836, 105220), (880, 99959), (1045, 84176), (1520, 57871), (1672, 52610), (2090, 42088), (3344, 26305), (4180, 21044), (5261, 16720), (8360, 10522)]