128330080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25873}}^1$

素因数の和:25919

約数の個数: 48

約数和(自身を含む): 312971904

約数和(自身を除く): 184641824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 25873, 51746, 103492, 129365, 206984, 258730, 413968, 517460, 802063, 827936, 1034920, 1604126, 2069840, 3208252, 4010315, 4139680, 6416504, 8020630, 12833008, 16041260, 25666016, 32082520, 64165040, 128330080]

約数ペア:

[(1, 128330080), (2, 64165040), (4, 32082520), (5, 25666016), (8, 16041260), (10, 12833008), (16, 8020630), (20, 6416504), (31, 4139680), (32, 4010315), (40, 3208252), (62, 2069840), (80, 1604126), (124, 1034920), (155, 827936), (160, 802063), (248, 517460), (310, 413968), (496, 258730), (620, 206984), (992, 129365), (1240, 103492), (2480, 51746), (4960, 25873)]