2720161280

素因数分解:

$2^9\times 5^1\times {\mathrm{1062563}}^1$

素因数の和:1062586

約数の個数: 40

約数和(自身を含む): 6522017832

約数和(自身を除く): 3801856552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 1062563, 2125126, 4250252, 5312815, 8500504, 10625630, 17001008, 21251260, 34002016, 42502520, 68004032, 85005040, 136008064, 170010080, 272016128, 340020160, 544032256, 680040320, 1360080640, 2720161280]

約数ペア:

[(1, 2720161280), (2, 1360080640), (4, 680040320), (5, 544032256), (8, 340020160), (10, 272016128), (16, 170010080), (20, 136008064), (32, 85005040), (40, 68004032), (64, 42502520), (80, 34002016), (128, 21251260), (160, 17001008), (256, 10625630), (320, 8500504), (512, 5312815), (640, 4250252), (1280, 2125126), (2560, 1062563)]