31501476875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 43809976320

約数和(自身を除く): 12308499445

約数列:

[1, 5, 11, 25, 55, 109, 125, 127, 275, 331, 545, 625, 635, 1199, 1375, 1397, 1655, 2725, 3175, 3641, 5995, 6875, 6985, 8275, 13625, 13843, 15875, 18205, 29975, 34925, 36079, 41375, 42037, 68125, 69215, 79375, 91025, 149875, 152273, 174625, 180395, 206875, 210185, 346075, 396869, 455125, 462407, 749375, 761365, 873125, 901975, 1050925, 1730375, 1984345, 2275625, 2312035, 3806825, 4509875, 4582033, 5254625, 8651875, 9921725, 11560175, 19034125, 22549375, 22910165, 26273125, 49608625, 50402363, 57800875, 95170625, 114550825, 248043125, 252011815, 289004375, 572754125, 1260059075, 2863770625, 6300295375, 31501476875]

約数ペア:

[(1, 31501476875), (5, 6300295375), (11, 2863770625), (25, 1260059075), (55, 572754125), (109, 289004375), (125, 252011815), (127, 248043125), (275, 114550825), (331, 95170625), (545, 57800875), (625, 50402363), (635, 49608625), (1199, 26273125), (1375, 22910165), (1397, 22549375), (1655, 19034125), (2725, 11560175), (3175, 9921725), (3641, 8651875), (5995, 5254625), (6875, 4582033), (6985, 4509875), (8275, 3806825), (13625, 2312035), (13843, 2275625), (15875, 1984345), (18205, 1730375), (29975, 1050925), (34925, 901975), (36079, 873125), (41375, 761365), (42037, 749375), (68125, 462407), (69215, 455125), (79375, 396869), (91025, 346075), (149875, 210185), (152273, 206875), (174625, 180395)]