81368030

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 148832640

約数和(自身を除く): 67464610

約数列:

[1, 2, 5, 10, 131, 179, 262, 347, 358, 655, 694, 895, 1310, 1735, 1790, 3470, 23449, 45457, 46898, 62113, 90914, 117245, 124226, 227285, 234490, 310565, 454570, 621130, 8136803, 16273606, 40684015, 81368030]

約数ペア:

[(1, 81368030), (2, 40684015), (5, 16273606), (10, 8136803), (131, 621130), (179, 454570), (262, 310565), (347, 234490), (358, 227285), (655, 124226), (694, 117245), (895, 90914), (1310, 62113), (1735, 46898), (1790, 45457), (3470, 23449)]