124176520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{238801}}^1$

素因数の和:238825

約数の個数: 32

約数和(自身を含む): 300890520

約数和(自身を除く): 176714000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 238801, 477602, 955204, 1194005, 1910408, 2388010, 3104413, 4776020, 6208826, 9552040, 12417652, 15522065, 24835304, 31044130, 62088260, 124176520]

約数ペア:

[(1, 124176520), (2, 62088260), (4, 31044130), (5, 24835304), (8, 15522065), (10, 12417652), (13, 9552040), (20, 6208826), (26, 4776020), (40, 3104413), (52, 2388010), (65, 1910408), (104, 1194005), (130, 955204), (260, 477602), (520, 238801)]