39974240

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1091}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 94938480

約数和(自身を除く): 54964240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1091, 1145, 1832, 2182, 2290, 3664, 4364, 4580, 5455, 7328, 8728, 9160, 10910, 17456, 18320, 21820, 34912, 36640, 43640, 87280, 174560, 249839, 499678, 999356, 1249195, 1998712, 2498390, 3997424, 4996780, 7994848, 9993560, 19987120, 39974240]

約数ペア:

[(1, 39974240), (2, 19987120), (4, 9993560), (5, 7994848), (8, 4996780), (10, 3997424), (16, 2498390), (20, 1998712), (32, 1249195), (40, 999356), (80, 499678), (160, 249839), (229, 174560), (458, 87280), (916, 43640), (1091, 36640), (1145, 34912), (1832, 21820), (2182, 18320), (2290, 17456), (3664, 10910), (4364, 9160), (4580, 8728), (5455, 7328)]