65105680

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1699}}^1$

素因数の和:2191

約数の個数: 40

約数和(自身を含む): 151776000

約数和(自身を除く): 86670320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1699, 1916, 2395, 3398, 3832, 4790, 6796, 7664, 8495, 9580, 13592, 16990, 19160, 27184, 33980, 38320, 67960, 135920, 813821, 1627642, 3255284, 4069105, 6510568, 8138210, 13021136, 16276420, 32552840, 65105680]

約数ペア:

[(1, 65105680), (2, 32552840), (4, 16276420), (5, 13021136), (8, 8138210), (10, 6510568), (16, 4069105), (20, 3255284), (40, 1627642), (80, 813821), (479, 135920), (958, 67960), (1699, 38320), (1916, 33980), (2395, 27184), (3398, 19160), (3832, 16990), (4790, 13592), (6796, 9580), (7664, 8495)]