86780080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 208674144

約数和(自身を除く): 121894064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 97, 106, 194, 211, 212, 265, 388, 422, 424, 485, 530, 776, 844, 848, 970, 1055, 1060, 1552, 1688, 1940, 2110, 2120, 3376, 3880, 4220, 4240, 5141, 7760, 8440, 10282, 11183, 16880, 20467, 20564, 22366, 25705, 40934, 41128, 44732, 51410, 55915, 81868, 82256, 89464, 102335, 102820, 111830, 163736, 178928, 204670, 205640, 223660, 327472, 409340, 411280, 447320, 818680, 894640, 1084751, 1637360, 2169502, 4339004, 5423755, 8678008, 10847510, 17356016, 21695020, 43390040, 86780080]

約数ペア:

[(1, 86780080), (2, 43390040), (4, 21695020), (5, 17356016), (8, 10847510), (10, 8678008), (16, 5423755), (20, 4339004), (40, 2169502), (53, 1637360), (80, 1084751), (97, 894640), (106, 818680), (194, 447320), (211, 411280), (212, 409340), (265, 327472), (388, 223660), (422, 205640), (424, 204670), (485, 178928), (530, 163736), (776, 111830), (844, 102820), (848, 102335), (970, 89464), (1055, 82256), (1060, 81868), (1552, 55915), (1688, 51410), (1940, 44732), (2110, 41128), (2120, 40934), (3376, 25705), (3880, 22366), (4220, 20564), (4240, 20467), (5141, 16880), (7760, 11183), (8440, 10282)]