1388311600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{266983}}^1$

素因数の和:267014

約数の個数: 60

約数和(自身を含む): 3592002736

約数和(自身を除く): 2203691136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 266983, 533966, 1067932, 1334915, 2135864, 2669830, 3470779, 4271728, 5339660, 6674575, 6941558, 10679320, 13349150, 13883116, 17353895, 21358640, 26698300, 27766232, 34707790, 53396600, 55532464, 69415580, 86769475, 106793200, 138831160, 173538950, 277662320, 347077900, 694155800, 1388311600]

約数ペア:

[(1, 1388311600), (2, 694155800), (4, 347077900), (5, 277662320), (8, 173538950), (10, 138831160), (13, 106793200), (16, 86769475), (20, 69415580), (25, 55532464), (26, 53396600), (40, 34707790), (50, 27766232), (52, 26698300), (65, 21358640), (80, 17353895), (100, 13883116), (104, 13349150), (130, 10679320), (200, 6941558), (208, 6674575), (260, 5339660), (325, 4271728), (400, 3470779), (520, 2669830), (650, 2135864), (1040, 1334915), (1300, 1067932), (2600, 533966), (5200, 266983)]