345808520

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{5503}}^1$

素因数の和:7085

約数の個数: 32

約数和(自身を含む): 778705920

約数和(自身を除く): 432897400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 3142, 5503, 6284, 7855, 11006, 12568, 15710, 22012, 27515, 31420, 44024, 55030, 62840, 110060, 220120, 8645213, 17290426, 34580852, 43226065, 69161704, 86452130, 172904260, 345808520]

約数ペア:

[(1, 345808520), (2, 172904260), (4, 86452130), (5, 69161704), (8, 43226065), (10, 34580852), (20, 17290426), (40, 8645213), (1571, 220120), (3142, 110060), (5503, 62840), (6284, 55030), (7855, 44024), (11006, 31420), (12568, 27515), (15710, 22012)]