64964720

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1117}}^1$

素因数の和:1857

約数の個数: 40

約数和(自身を含む): 151386144

約数和(自身を除く): 86421424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1117, 1454, 2234, 2908, 3635, 4468, 5585, 5816, 7270, 8936, 11170, 11632, 14540, 17872, 22340, 29080, 44680, 58160, 89360, 812059, 1624118, 3248236, 4060295, 6496472, 8120590, 12992944, 16241180, 32482360, 64964720]

約数ペア:

[(1, 64964720), (2, 32482360), (4, 16241180), (5, 12992944), (8, 8120590), (10, 6496472), (16, 4060295), (20, 3248236), (40, 1624118), (80, 812059), (727, 89360), (1117, 58160), (1454, 44680), (2234, 29080), (2908, 22340), (3635, 17872), (4468, 14540), (5585, 11632), (5816, 11170), (7270, 8936)]