51259360

素因数分解:

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

素因数の和:1643

約数の個数: 48

約数和(自身を含む): 121716000

約数和(自身を除く): 70456640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1145, 1399, 1832, 2290, 2798, 3664, 4580, 5596, 6995, 7328, 9160, 11192, 13990, 18320, 22384, 27980, 36640, 44768, 55960, 111920, 223840, 320371, 640742, 1281484, 1601855, 2562968, 3203710, 5125936, 6407420, 10251872, 12814840, 25629680, 51259360]

約数ペア:

[(1, 51259360), (2, 25629680), (4, 12814840), (5, 10251872), (8, 6407420), (10, 5125936), (16, 3203710), (20, 2562968), (32, 1601855), (40, 1281484), (80, 640742), (160, 320371), (229, 223840), (458, 111920), (916, 55960), (1145, 44768), (1399, 36640), (1832, 27980), (2290, 22384), (2798, 18320), (3664, 13990), (4580, 11192), (5596, 9160), (6995, 7328)]