68601520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65963}}^1$

素因数の和:65989

約数の個数: 40

約数和(自身を含む): 171770256

約数和(自身を除く): 103168736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65963, 131926, 263852, 329815, 527704, 659630, 857519, 1055408, 1319260, 1715038, 2638520, 3430076, 4287595, 5277040, 6860152, 8575190, 13720304, 17150380, 34300760, 68601520]

約数ペア:

[(1, 68601520), (2, 34300760), (4, 17150380), (5, 13720304), (8, 8575190), (10, 6860152), (13, 5277040), (16, 4287595), (20, 3430076), (26, 2638520), (40, 1715038), (52, 1319260), (65, 1055408), (80, 857519), (104, 659630), (130, 527704), (208, 329815), (260, 263852), (520, 131926), (1040, 65963)]