355641520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{341963}}^1$

素因数の和:341989

約数の個数: 40

約数和(自身を含む): 890474256

約数和(自身を除く): 534832736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 341963, 683926, 1367852, 1709815, 2735704, 3419630, 4445519, 5471408, 6839260, 8891038, 13678520, 17782076, 22227595, 27357040, 35564152, 44455190, 71128304, 88910380, 177820760, 355641520]

約数ペア:

[(1, 355641520), (2, 177820760), (4, 88910380), (5, 71128304), (8, 44455190), (10, 35564152), (13, 27357040), (16, 22227595), (20, 17782076), (26, 13678520), (40, 8891038), (52, 6839260), (65, 5471408), (80, 4445519), (104, 3419630), (130, 2735704), (208, 1709815), (260, 1367852), (520, 683926), (1040, 341963)]