16488880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2609}}^1$

素因数の和:2701

約数の個数: 40

約数和(自身を含む): 38836800

約数和(自身を除く): 22347920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2609, 3160, 5218, 6320, 10436, 13045, 20872, 26090, 41744, 52180, 104360, 206111, 208720, 412222, 824444, 1030555, 1648888, 2061110, 3297776, 4122220, 8244440, 16488880]

約数ペア:

[(1, 16488880), (2, 8244440), (4, 4122220), (5, 3297776), (8, 2061110), (10, 1648888), (16, 1030555), (20, 824444), (40, 412222), (79, 208720), (80, 206111), (158, 104360), (316, 52180), (395, 41744), (632, 26090), (790, 20872), (1264, 13045), (1580, 10436), (2609, 6320), (3160, 5218)]