79965280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29399}}^1$

素因数の和:29431

約数の個数: 48

約数和(自身を含む): 200037600

約数和(自身を除く): 120072320

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, 29399, 58798, 117596, 146995, 235192, 293990, 470384, 499783, 587980, 940768, 999566, 1175960, 1999132, 2351920, 2498915, 3998264, 4703840, 4997830, 7996528, 9995660, 15993056, 19991320, 39982640, 79965280]

約数ペア:

[(1, 79965280), (2, 39982640), (4, 19991320), (5, 15993056), (8, 9995660), (10, 7996528), (16, 4997830), (17, 4703840), (20, 3998264), (32, 2498915), (34, 2351920), (40, 1999132), (68, 1175960), (80, 999566), (85, 940768), (136, 587980), (160, 499783), (170, 470384), (272, 293990), (340, 235192), (544, 146995), (680, 117596), (1360, 58798), (2720, 29399)]