40320800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3877}}^1$

素因数の和:3910

約数の個数: 72

約数和(自身を含む): 106032276

約数和(自身を除く): 65711476

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 3877, 5200, 7754, 10400, 15508, 19385, 31016, 38770, 50401, 62032, 77540, 96925, 100802, 124064, 155080, 193850, 201604, 252005, 310160, 387700, 403208, 504010, 620320, 775400, 806416, 1008020, 1260025, 1550800, 1612832, 2016040, 2520050, 3101600, 4032080, 5040100, 8064160, 10080200, 20160400, 40320800]

約数ペア:

[(1, 40320800), (2, 20160400), (4, 10080200), (5, 8064160), (8, 5040100), (10, 4032080), (13, 3101600), (16, 2520050), (20, 2016040), (25, 1612832), (26, 1550800), (32, 1260025), (40, 1008020), (50, 806416), (52, 775400), (65, 620320), (80, 504010), (100, 403208), (104, 387700), (130, 310160), (160, 252005), (200, 201604), (208, 193850), (260, 155080), (325, 124064), (400, 100802), (416, 96925), (520, 77540), (650, 62032), (800, 50401), (1040, 38770), (1300, 31016), (2080, 19385), (2600, 15508), (3877, 10400), (5200, 7754)]