78868120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32323}}^1$

素因数の和:32395

約数の個数: 32

約数和(自身を含む): 180367920

約数和(自身を除く): 101499800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 32323, 64646, 129292, 161615, 258584, 323230, 646460, 1292920, 1971703, 3943406, 7886812, 9858515, 15773624, 19717030, 39434060, 78868120]

約数ペア:

[(1, 78868120), (2, 39434060), (4, 19717030), (5, 15773624), (8, 9858515), (10, 7886812), (20, 3943406), (40, 1971703), (61, 1292920), (122, 646460), (244, 323230), (305, 258584), (488, 161615), (610, 129292), (1220, 64646), (2440, 32323)]