80556880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59233}}^1$

素因数の和:59263

約数の個数: 40

約数和(自身を含む): 198315432

約数和(自身を除く): 117758552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 59233, 118466, 236932, 296165, 473864, 592330, 947728, 1006961, 1184660, 2013922, 2369320, 4027844, 4738640, 5034805, 8055688, 10069610, 16111376, 20139220, 40278440, 80556880]

約数ペア:

[(1, 80556880), (2, 40278440), (4, 20139220), (5, 16111376), (8, 10069610), (10, 8055688), (16, 5034805), (17, 4738640), (20, 4027844), (34, 2369320), (40, 2013922), (68, 1184660), (80, 1006961), (85, 947728), (136, 592330), (170, 473864), (272, 296165), (340, 236932), (680, 118466), (1360, 59233)]