8148400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1598

約数の個数: 60

約数和(自身を含む): 21095872

約数和(自身を除く): 12947472

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, 1567, 2600, 3134, 5200, 6268, 7835, 12536, 15670, 20371, 25072, 31340, 39175, 40742, 62680, 78350, 81484, 101855, 125360, 156700, 162968, 203710, 313400, 325936, 407420, 509275, 626800, 814840, 1018550, 1629680, 2037100, 4074200, 8148400]

約数ペア:

[(1, 8148400), (2, 4074200), (4, 2037100), (5, 1629680), (8, 1018550), (10, 814840), (13, 626800), (16, 509275), (20, 407420), (25, 325936), (26, 313400), (40, 203710), (50, 162968), (52, 156700), (65, 125360), (80, 101855), (100, 81484), (104, 78350), (130, 62680), (200, 40742), (208, 39175), (260, 31340), (325, 25072), (400, 20371), (520, 15670), (650, 12536), (1040, 7835), (1300, 6268), (1567, 5200), (2600, 3134)]