1871569640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{2027}}^1$

素因数の和:2642

約数の個数: 64

約数和(自身を含む): 4323533760

約数和(自身を除く): 2451964120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 563, 820, 1126, 1640, 2027, 2252, 2815, 4054, 4504, 5630, 8108, 10135, 11260, 16216, 20270, 22520, 23083, 40540, 46166, 81080, 83107, 92332, 115415, 166214, 184664, 230830, 332428, 415535, 461660, 664856, 831070, 923320, 1141201, 1662140, 2282402, 3324280, 4564804, 5706005, 9129608, 11412010, 22824020, 45648040, 46789241, 93578482, 187156964, 233946205, 374313928, 467892410, 935784820, 1871569640]

約数ペア:

[(1, 1871569640), (2, 935784820), (4, 467892410), (5, 374313928), (8, 233946205), (10, 187156964), (20, 93578482), (40, 46789241), (41, 45648040), (82, 22824020), (164, 11412010), (205, 9129608), (328, 5706005), (410, 4564804), (563, 3324280), (820, 2282402), (1126, 1662140), (1640, 1141201), (2027, 923320), (2252, 831070), (2815, 664856), (4054, 461660), (4504, 415535), (5630, 332428), (8108, 230830), (10135, 184664), (11260, 166214), (16216, 115415), (20270, 92332), (22520, 83107), (23083, 81080), (40540, 46166)]