25288730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2630

約数の個数: 32

約数和(自身を含む): 48622464

約数和(自身を除く): 23333734

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 2557, 4945, 5114, 9890, 12785, 25570, 58811, 109951, 117622, 219902, 294055, 549755, 588110, 1099510, 2528873, 5057746, 12644365, 25288730]

約数ペア:

[(1, 25288730), (2, 12644365), (5, 5057746), (10, 2528873), (23, 1099510), (43, 588110), (46, 549755), (86, 294055), (115, 219902), (215, 117622), (230, 109951), (430, 58811), (989, 25570), (1978, 12785), (2557, 9890), (4945, 5114)]