80330440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6949}}^1$

素因数の和:6994

約数の個数: 48

約数和(自身を含む): 192028500

約数和(自身を除く): 111698060

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 6949, 11560, 13898, 27796, 34745, 55592, 69490, 118133, 138980, 236266, 277960, 472532, 590665, 945064, 1181330, 2008261, 2362660, 4016522, 4725320, 8033044, 10041305, 16066088, 20082610, 40165220, 80330440]

約数ペア:

[(1, 80330440), (2, 40165220), (4, 20082610), (5, 16066088), (8, 10041305), (10, 8033044), (17, 4725320), (20, 4016522), (34, 2362660), (40, 2008261), (68, 1181330), (85, 945064), (136, 590665), (170, 472532), (289, 277960), (340, 236266), (578, 138980), (680, 118133), (1156, 69490), (1445, 55592), (2312, 34745), (2890, 27796), (5780, 13898), (6949, 11560)]