221734840

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{5081}}^1$

素因数の和:6183

約数の個数: 32

約数和(自身を含む): 499458960

約数和(自身を除く): 277724120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 5081, 5455, 8728, 10162, 10910, 20324, 21820, 25405, 40648, 43640, 50810, 101620, 203240, 5543371, 11086742, 22173484, 27716855, 44346968, 55433710, 110867420, 221734840]

約数ペア:

[(1, 221734840), (2, 110867420), (4, 55433710), (5, 44346968), (8, 27716855), (10, 22173484), (20, 11086742), (40, 5543371), (1091, 203240), (2182, 101620), (4364, 50810), (5081, 43640), (5455, 40648), (8728, 25405), (10162, 21820), (10910, 20324)]