89709640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2879}}^1$

素因数の和:2950

約数の個数: 64

約数和(自身を含む): 217728000

約数和(自身を除く): 128018360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2879, 3116, 3895, 5758, 6232, 7790, 11516, 14395, 15580, 23032, 28790, 31160, 54701, 57580, 109402, 115160, 118039, 218804, 236078, 273505, 437608, 472156, 547010, 590195, 944312, 1094020, 1180390, 2188040, 2242741, 2360780, 4485482, 4721560, 8970964, 11213705, 17941928, 22427410, 44854820, 89709640]

約数ペア:

[(1, 89709640), (2, 44854820), (4, 22427410), (5, 17941928), (8, 11213705), (10, 8970964), (19, 4721560), (20, 4485482), (38, 2360780), (40, 2242741), (41, 2188040), (76, 1180390), (82, 1094020), (95, 944312), (152, 590195), (164, 547010), (190, 472156), (205, 437608), (328, 273505), (380, 236078), (410, 218804), (760, 118039), (779, 115160), (820, 109402), (1558, 57580), (1640, 54701), (2879, 31160), (3116, 28790), (3895, 23032), (5758, 15580), (6232, 14395), (7790, 11516)]