25629680

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1399}}^1$

素因数の和:1641

約数の個数: 40

約数和(自身を含む): 59892000

約数和(自身を除く): 34262320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1399, 1832, 2290, 2798, 3664, 4580, 5596, 6995, 9160, 11192, 13990, 18320, 22384, 27980, 55960, 111920, 320371, 640742, 1281484, 1601855, 2562968, 3203710, 5125936, 6407420, 12814840, 25629680]

約数ペア:

[(1, 25629680), (2, 12814840), (4, 6407420), (5, 5125936), (8, 3203710), (10, 2562968), (16, 1601855), (20, 1281484), (40, 640742), (80, 320371), (229, 111920), (458, 55960), (916, 27980), (1145, 22384), (1399, 18320), (1832, 13990), (2290, 11192), (2798, 9160), (3664, 6995), (4580, 5596)]