5418400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 72

約数和(自身を含む): 14272524

約数和(自身を除く): 8854124

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, 521, 650, 800, 1040, 1042, 1300, 2080, 2084, 2600, 2605, 4168, 5200, 5210, 6773, 8336, 10400, 10420, 13025, 13546, 16672, 20840, 26050, 27092, 33865, 41680, 52100, 54184, 67730, 83360, 104200, 108368, 135460, 169325, 208400, 216736, 270920, 338650, 416800, 541840, 677300, 1083680, 1354600, 2709200, 5418400]

約数ペア:

[(1, 5418400), (2, 2709200), (4, 1354600), (5, 1083680), (8, 677300), (10, 541840), (13, 416800), (16, 338650), (20, 270920), (25, 216736), (26, 208400), (32, 169325), (40, 135460), (50, 108368), (52, 104200), (65, 83360), (80, 67730), (100, 54184), (104, 52100), (130, 41680), (160, 33865), (200, 27092), (208, 26050), (260, 20840), (325, 16672), (400, 13546), (416, 13025), (520, 10420), (521, 10400), (650, 8336), (800, 6773), (1040, 5210), (1042, 5200), (1300, 4168), (2080, 2605), (2084, 2600)]