40915030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 79597728

約数和(自身を除く): 38682698

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 491, 641, 982, 1282, 2455, 3205, 4910, 6383, 6410, 8333, 12766, 16666, 31915, 41665, 63830, 83330, 314731, 629462, 1573655, 3147310, 4091503, 8183006, 20457515, 40915030]

約数ペア:

[(1, 40915030), (2, 20457515), (5, 8183006), (10, 4091503), (13, 3147310), (26, 1573655), (65, 629462), (130, 314731), (491, 83330), (641, 63830), (982, 41665), (1282, 31915), (2455, 16666), (3205, 12766), (4910, 8333), (6383, 6410)]