100016720

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5231}}^1$

素因数の和:5483

約数の個数: 40

約数和(自身を含む): 233556480

約数和(自身を除く): 133539760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 5231, 9560, 10462, 19120, 20924, 26155, 41848, 52310, 83696, 104620, 209240, 418480, 1250209, 2500418, 5000836, 6251045, 10001672, 12502090, 20003344, 25004180, 50008360, 100016720]

約数ペア:

[(1, 100016720), (2, 50008360), (4, 25004180), (5, 20003344), (8, 12502090), (10, 10001672), (16, 6251045), (20, 5000836), (40, 2500418), (80, 1250209), (239, 418480), (478, 209240), (956, 104620), (1195, 83696), (1912, 52310), (2390, 41848), (3824, 26155), (4780, 20924), (5231, 19120), (9560, 10462)]