71355580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 154695744

約数和(自身を除く): 83340164

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 173, 205, 346, 410, 503, 692, 820, 865, 1006, 1730, 2012, 2515, 3460, 5030, 7093, 10060, 14186, 20623, 28372, 35465, 41246, 70930, 82492, 87019, 103115, 141860, 174038, 206230, 348076, 412460, 435095, 870190, 1740380, 3567779, 7135558, 14271116, 17838895, 35677790, 71355580]

約数ペア:

[(1, 71355580), (2, 35677790), (4, 17838895), (5, 14271116), (10, 7135558), (20, 3567779), (41, 1740380), (82, 870190), (164, 435095), (173, 412460), (205, 348076), (346, 206230), (410, 174038), (503, 141860), (692, 103115), (820, 87019), (865, 82492), (1006, 70930), (1730, 41246), (2012, 35465), (2515, 28372), (3460, 20623), (5030, 14186), (7093, 10060)]