258125440

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2671}}^1$

素因数の和:2841

約数の個数: 64

約数和(自身を含む): 621400320

約数和(自身を除く): 363274880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 604, 640, 755, 1208, 1510, 2416, 2671, 3020, 4832, 5342, 6040, 9664, 10684, 12080, 13355, 19328, 21368, 24160, 26710, 42736, 48320, 53420, 85472, 96640, 106840, 170944, 213680, 341888, 403321, 427360, 806642, 854720, 1613284, 1709440, 2016605, 3226568, 4033210, 6453136, 8066420, 12906272, 16132840, 25812544, 32265680, 51625088, 64531360, 129062720, 258125440]

約数ペア:

[(1, 258125440), (2, 129062720), (4, 64531360), (5, 51625088), (8, 32265680), (10, 25812544), (16, 16132840), (20, 12906272), (32, 8066420), (40, 6453136), (64, 4033210), (80, 3226568), (128, 2016605), (151, 1709440), (160, 1613284), (302, 854720), (320, 806642), (604, 427360), (640, 403321), (755, 341888), (1208, 213680), (1510, 170944), (2416, 106840), (2671, 96640), (3020, 85472), (4832, 53420), (5342, 48320), (6040, 42736), (9664, 26710), (10684, 24160), (12080, 21368), (13355, 19328)]