72499120

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1627}}^1$

素因数の和:2197

約数の個数: 40

約数和(自身を含む): 168966864

約数和(自身を除く): 96467744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1627, 2228, 2785, 3254, 4456, 5570, 6508, 8135, 8912, 11140, 13016, 16270, 22280, 26032, 32540, 44560, 65080, 130160, 906239, 1812478, 3624956, 4531195, 7249912, 9062390, 14499824, 18124780, 36249560, 72499120]

約数ペア:

[(1, 72499120), (2, 36249560), (4, 18124780), (5, 14499824), (8, 9062390), (10, 7249912), (16, 4531195), (20, 3624956), (40, 1812478), (80, 906239), (557, 130160), (1114, 65080), (1627, 44560), (2228, 32540), (2785, 26032), (3254, 22280), (4456, 16270), (5570, 13016), (6508, 11140), (8135, 8912)]