53937560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 124740000

約数和(自身を除く): 70802440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 139, 178, 218, 278, 356, 436, 445, 545, 556, 695, 712, 872, 890, 1090, 1112, 1390, 1780, 2180, 2780, 3560, 4360, 5560, 9701, 12371, 15151, 19402, 24742, 30302, 38804, 48505, 49484, 60604, 61855, 75755, 77608, 97010, 98968, 121208, 123710, 151510, 194020, 247420, 303020, 388040, 494840, 606040, 1348439, 2696878, 5393756, 6742195, 10787512, 13484390, 26968780, 53937560]

約数ペア:

[(1, 53937560), (2, 26968780), (4, 13484390), (5, 10787512), (8, 6742195), (10, 5393756), (20, 2696878), (40, 1348439), (89, 606040), (109, 494840), (139, 388040), (178, 303020), (218, 247420), (278, 194020), (356, 151510), (436, 123710), (445, 121208), (545, 98968), (556, 97010), (695, 77608), (712, 75755), (872, 61855), (890, 60604), (1090, 49484), (1112, 48505), (1390, 38804), (1780, 30302), (2180, 24742), (2780, 19402), (3560, 15151), (4360, 12371), (5560, 9701)]