1628439366940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{15637021}}^1$

素因数の和:15637198

約数の個数: 48

約数和(自身を含む): 3530714471424

約数和(自身を除く): 1902275104484

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 820, 1270, 2540, 5207, 10414, 20828, 26035, 52070, 104140, 15637021, 31274042, 62548084, 78185105, 156370210, 312740420, 641117861, 1282235722, 1985901667, 2564471444, 3205589305, 3971803334, 6411178610, 7943606668, 9929508335, 12822357220, 19859016670, 39718033340, 81421968347, 162843936694, 325687873388, 407109841735, 814219683470, 1628439366940]

約数ペア:

[(1, 1628439366940), (2, 814219683470), (4, 407109841735), (5, 325687873388), (10, 162843936694), (20, 81421968347), (41, 39718033340), (82, 19859016670), (127, 12822357220), (164, 9929508335), (205, 7943606668), (254, 6411178610), (410, 3971803334), (508, 3205589305), (635, 2564471444), (820, 1985901667), (1270, 1282235722), (2540, 641117861), (5207, 312740420), (10414, 156370210), (20828, 78185105), (26035, 62548084), (52070, 31274042), (104140, 15637021)]