1640255500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{911}}^1$

素因数の和:1220

約数の個数: 96

約数和(自身を含む): 3876058368

約数和(自身を除く): 2235802868

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 277, 325, 500, 554, 650, 911, 1108, 1300, 1385, 1625, 1822, 2770, 3250, 3601, 3644, 4555, 5540, 6500, 6925, 7202, 9110, 11843, 13850, 14404, 18005, 18220, 22775, 23686, 27700, 34625, 36010, 45550, 47372, 59215, 69250, 72020, 90025, 91100, 113875, 118430, 138500, 180050, 227750, 236860, 252347, 296075, 360100, 450125, 455500, 504694, 592150, 900250, 1009388, 1184300, 1261735, 1480375, 1800500, 2523470, 2960750, 3280511, 5046940, 5921500, 6308675, 6561022, 12617350, 13122044, 16402555, 25234700, 31543375, 32805110, 63086750, 65610220, 82012775, 126173500, 164025550, 328051100, 410063875, 820127750, 1640255500]

約数ペア:

[(1, 1640255500), (2, 820127750), (4, 410063875), (5, 328051100), (10, 164025550), (13, 126173500), (20, 82012775), (25, 65610220), (26, 63086750), (50, 32805110), (52, 31543375), (65, 25234700), (100, 16402555), (125, 13122044), (130, 12617350), (250, 6561022), (260, 6308675), (277, 5921500), (325, 5046940), (500, 3280511), (554, 2960750), (650, 2523470), (911, 1800500), (1108, 1480375), (1300, 1261735), (1385, 1184300), (1625, 1009388), (1822, 900250), (2770, 592150), (3250, 504694), (3601, 455500), (3644, 450125), (4555, 360100), (5540, 296075), (6500, 252347), (6925, 236860), (7202, 227750), (9110, 180050), (11843, 138500), (13850, 118430), (14404, 113875), (18005, 91100), (18220, 90025), (22775, 72020), (23686, 69250), (27700, 59215), (34625, 47372), (36010, 45550)]