8211940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 19010880

約数和(自身を除く): 10798940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 229, 326, 458, 652, 815, 916, 1145, 1630, 1793, 2290, 2519, 3260, 3586, 4580, 5038, 7172, 8965, 10076, 12595, 17930, 25190, 35860, 37327, 50380, 74654, 149308, 186635, 373270, 410597, 746540, 821194, 1642388, 2052985, 4105970, 8211940]

約数ペア:

[(1, 8211940), (2, 4105970), (4, 2052985), (5, 1642388), (10, 821194), (11, 746540), (20, 410597), (22, 373270), (44, 186635), (55, 149308), (110, 74654), (163, 50380), (220, 37327), (229, 35860), (326, 25190), (458, 17930), (652, 12595), (815, 10076), (916, 8965), (1145, 7172), (1630, 5038), (1793, 4580), (2290, 3586), (2519, 3260)]