31756559900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{63781}}^1$

素因数の和:64191

約数の個数: 72

約数和(自身を含む): 74407570944

約数和(自身を除く): 42651011044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 383, 650, 766, 1300, 1532, 1915, 3830, 4979, 7660, 9575, 9958, 19150, 19916, 24895, 38300, 49790, 63781, 99580, 124475, 127562, 248950, 255124, 318905, 497900, 637810, 829153, 1275620, 1594525, 1658306, 3189050, 3316612, 4145765, 6378100, 8291530, 16583060, 20728825, 24428123, 41457650, 48856246, 82915300, 97712492, 122140615, 244281230, 317565599, 488562460, 610703075, 635131198, 1221406150, 1270262396, 1587827995, 2442812300, 3175655990, 6351311980, 7939139975, 15878279950, 31756559900]

約数ペア:

[(1, 31756559900), (2, 15878279950), (4, 7939139975), (5, 6351311980), (10, 3175655990), (13, 2442812300), (20, 1587827995), (25, 1270262396), (26, 1221406150), (50, 635131198), (52, 610703075), (65, 488562460), (100, 317565599), (130, 244281230), (260, 122140615), (325, 97712492), (383, 82915300), (650, 48856246), (766, 41457650), (1300, 24428123), (1532, 20728825), (1915, 16583060), (3830, 8291530), (4979, 6378100), (7660, 4145765), (9575, 3316612), (9958, 3189050), (19150, 1658306), (19916, 1594525), (24895, 1275620), (38300, 829153), (49790, 637810), (63781, 497900), (99580, 318905), (124475, 255124), (127562, 248950)]