127935440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9811}}^1$

素因数の和:9987

約数の個数: 40

約数和(自身を含む): 299305248

約数和(自身を除く): 171369808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 9811, 13040, 19622, 39244, 49055, 78488, 98110, 156976, 196220, 392440, 784880, 1599193, 3198386, 6396772, 7995965, 12793544, 15991930, 25587088, 31983860, 63967720, 127935440]

約数ペア:

[(1, 127935440), (2, 63967720), (4, 31983860), (5, 25587088), (8, 15991930), (10, 12793544), (16, 7995965), (20, 6396772), (40, 3198386), (80, 1599193), (163, 784880), (326, 392440), (652, 196220), (815, 156976), (1304, 98110), (1630, 78488), (2608, 49055), (3260, 39244), (6520, 19622), (9811, 13040)]