215809750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{66403}}^1$

素因数の和:66433

約数の個数: 32

約数和(自身を含む): 435079008

約数和(自身を除く): 219269258

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 66403, 132806, 332015, 664030, 863239, 1660075, 1726478, 3320150, 4316195, 8300375, 8632390, 16600750, 21580975, 43161950, 107904875, 215809750]

約数ペア:

[(1, 215809750), (2, 107904875), (5, 43161950), (10, 21580975), (13, 16600750), (25, 8632390), (26, 8300375), (50, 4316195), (65, 3320150), (125, 1726478), (130, 1660075), (250, 863239), (325, 664030), (650, 332015), (1625, 132806), (3250, 66403)]