51372100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 122978240

約数和(自身を除く): 71606140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 919, 1075, 1118, 1300, 1838, 2150, 2236, 2795, 3676, 4300, 4595, 5590, 9190, 11180, 11947, 13975, 18380, 22975, 23894, 27950, 39517, 45950, 47788, 55900, 59735, 79034, 91900, 119470, 158068, 197585, 238940, 298675, 395170, 513721, 597350, 790340, 987925, 1027442, 1194700, 1975850, 2054884, 2568605, 3951700, 5137210, 10274420, 12843025, 25686050, 51372100]

約数ペア:

[(1, 51372100), (2, 25686050), (4, 12843025), (5, 10274420), (10, 5137210), (13, 3951700), (20, 2568605), (25, 2054884), (26, 1975850), (43, 1194700), (50, 1027442), (52, 987925), (65, 790340), (86, 597350), (100, 513721), (130, 395170), (172, 298675), (215, 238940), (260, 197585), (325, 158068), (430, 119470), (559, 91900), (650, 79034), (860, 59735), (919, 55900), (1075, 47788), (1118, 45950), (1300, 39517), (1838, 27950), (2150, 23894), (2236, 22975), (2795, 18380), (3676, 13975), (4300, 11947), (4595, 11180), (5590, 9190)]