56845280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20899}}^1$

素因数の和:20931

約数の個数: 48

約数和(自身を含む): 142203600

約数和(自身を除く): 85358320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20899, 41798, 83596, 104495, 167192, 208990, 334384, 355283, 417980, 668768, 710566, 835960, 1421132, 1671920, 1776415, 2842264, 3343840, 3552830, 5684528, 7105660, 11369056, 14211320, 28422640, 56845280]

約数ペア:

[(1, 56845280), (2, 28422640), (4, 14211320), (5, 11369056), (8, 7105660), (10, 5684528), (16, 3552830), (17, 3343840), (20, 2842264), (32, 1776415), (34, 1671920), (40, 1421132), (68, 835960), (80, 710566), (85, 668768), (136, 417980), (160, 355283), (170, 334384), (272, 208990), (340, 167192), (544, 104495), (680, 83596), (1360, 41798), (2720, 20899)]