661070560

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{32533}}^1$

素因数の和:32675

約数の個数: 48

約数和(自身を含む): 1574125056

約数和(自身を除く): 913054496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 32533, 65066, 130132, 162665, 260264, 325330, 520528, 650660, 1041056, 1301320, 2602640, 4131691, 5205280, 8263382, 16526764, 20658455, 33053528, 41316910, 66107056, 82633820, 132214112, 165267640, 330535280, 661070560]

約数ペア:

[(1, 661070560), (2, 330535280), (4, 165267640), (5, 132214112), (8, 82633820), (10, 66107056), (16, 41316910), (20, 33053528), (32, 20658455), (40, 16526764), (80, 8263382), (127, 5205280), (160, 4131691), (254, 2602640), (508, 1301320), (635, 1041056), (1016, 650660), (1270, 520528), (2032, 325330), (2540, 260264), (4064, 162665), (5080, 130132), (10160, 65066), (20320, 32533)]