64188290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2621}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 120821760

約数和(自身を除く): 56633470

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 2621, 4898, 5242, 12245, 13105, 24490, 26210, 81251, 162502, 207059, 406255, 414118, 812510, 1035295, 2070590, 6418829, 12837658, 32094145, 64188290]

約数ペア:

[(1, 64188290), (2, 32094145), (5, 12837658), (10, 6418829), (31, 2070590), (62, 1035295), (79, 812510), (155, 414118), (158, 406255), (310, 207059), (395, 162502), (790, 81251), (2449, 26210), (2621, 24490), (4898, 13105), (5242, 12245)]