1639231750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{504379}}^1$

素因数の和:504409

約数の個数: 32

約数和(自身を含む): 3304697760

約数和(自身を除く): 1665466010

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 504379, 1008758, 2521895, 5043790, 6556927, 12609475, 13113854, 25218950, 32784635, 63047375, 65569270, 126094750, 163923175, 327846350, 819615875, 1639231750]

約数ペア:

[(1, 1639231750), (2, 819615875), (5, 327846350), (10, 163923175), (13, 126094750), (25, 65569270), (26, 63047375), (50, 32784635), (65, 25218950), (125, 13113854), (130, 12609475), (250, 6556927), (325, 5043790), (650, 2521895), (1625, 1008758), (3250, 504379)]