1625485000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{10487}}^1$

素因数の和:10544

約数の個数: 80

約数和(自身を含む): 3931741440

約数和(自身を除く): 2306256440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 1000, 1240, 1250, 1550, 2500, 3100, 3875, 5000, 6200, 7750, 10487, 15500, 19375, 20974, 31000, 38750, 41948, 52435, 77500, 83896, 104870, 155000, 209740, 262175, 325097, 419480, 524350, 650194, 1048700, 1300388, 1310875, 1625485, 2097400, 2600776, 2621750, 3250970, 5243500, 6501940, 6554375, 8127425, 10487000, 13003880, 13108750, 16254850, 26217500, 32509700, 40637125, 52435000, 65019400, 81274250, 162548500, 203185625, 325097000, 406371250, 812742500, 1625485000]

約数ペア:

[(1, 1625485000), (2, 812742500), (4, 406371250), (5, 325097000), (8, 203185625), (10, 162548500), (20, 81274250), (25, 65019400), (31, 52435000), (40, 40637125), (50, 32509700), (62, 26217500), (100, 16254850), (124, 13108750), (125, 13003880), (155, 10487000), (200, 8127425), (248, 6554375), (250, 6501940), (310, 5243500), (500, 3250970), (620, 2621750), (625, 2600776), (775, 2097400), (1000, 1625485), (1240, 1310875), (1250, 1300388), (1550, 1048700), (2500, 650194), (3100, 524350), (3875, 419480), (5000, 325097), (6200, 262175), (7750, 209740), (10487, 155000), (15500, 104870), (19375, 83896), (20974, 77500), (31000, 52435), (38750, 41948)]