128527750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 263233152

約数和(自身を除く): 134705402

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 125, 130, 142, 250, 325, 355, 557, 650, 710, 923, 1114, 1625, 1775, 1846, 2785, 3250, 3550, 4615, 5570, 7241, 8875, 9230, 13925, 14482, 17750, 23075, 27850, 36205, 39547, 46150, 69625, 72410, 79094, 115375, 139250, 181025, 197735, 230750, 362050, 395470, 514111, 905125, 988675, 1028222, 1810250, 1977350, 2570555, 4943375, 5141110, 9886750, 12852775, 25705550, 64263875, 128527750]

約数ペア:

[(1, 128527750), (2, 64263875), (5, 25705550), (10, 12852775), (13, 9886750), (25, 5141110), (26, 4943375), (50, 2570555), (65, 1977350), (71, 1810250), (125, 1028222), (130, 988675), (142, 905125), (250, 514111), (325, 395470), (355, 362050), (557, 230750), (650, 197735), (710, 181025), (923, 139250), (1114, 115375), (1625, 79094), (1775, 72410), (1846, 69625), (2785, 46150), (3250, 39547), (3550, 36205), (4615, 27850), (5570, 23075), (7241, 17750), (8875, 14482), (9230, 13925)]