39902460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51157}}^1$

素因数の和:51182

約数の個数: 48

約数和(自身を含む): 120323616

約数和(自身を除く): 80421156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51157, 102314, 153471, 204628, 255785, 306942, 511570, 613884, 665041, 767355, 1023140, 1330082, 1534710, 1995123, 2660164, 3069420, 3325205, 3990246, 6650410, 7980492, 9975615, 13300820, 19951230, 39902460]

約数ペア:

[(1, 39902460), (2, 19951230), (3, 13300820), (4, 9975615), (5, 7980492), (6, 6650410), (10, 3990246), (12, 3325205), (13, 3069420), (15, 2660164), (20, 1995123), (26, 1534710), (30, 1330082), (39, 1023140), (52, 767355), (60, 665041), (65, 613884), (78, 511570), (130, 306942), (156, 255785), (195, 204628), (260, 153471), (390, 102314), (780, 51157)]