1025698375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 1467648000

約数和(自身を除く): 441949625

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 139, 239, 247, 325, 475, 695, 1195, 1235, 1625, 1807, 2375, 2641, 3107, 3475, 4541, 5975, 6175, 9035, 13205, 15535, 17375, 22705, 29875, 30875, 33221, 34333, 45175, 59033, 66025, 77675, 113525, 166105, 171665, 225875, 295165, 330125, 388375, 431873, 567625, 631199, 830525, 858325, 1475825, 2159365, 3155995, 4152625, 4291625, 7379125, 8205587, 10796825, 15779975, 41027935, 53984125, 78899875, 205139675, 1025698375]

約数ペア:

[(1, 1025698375), (5, 205139675), (13, 78899875), (19, 53984125), (25, 41027935), (65, 15779975), (95, 10796825), (125, 8205587), (139, 7379125), (239, 4291625), (247, 4152625), (325, 3155995), (475, 2159365), (695, 1475825), (1195, 858325), (1235, 830525), (1625, 631199), (1807, 567625), (2375, 431873), (2641, 388375), (3107, 330125), (3475, 295165), (4541, 225875), (5975, 171665), (6175, 166105), (9035, 113525), (13205, 77675), (15535, 66025), (17375, 59033), (22705, 45175), (29875, 34333), (30875, 33221)]