80714440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 187608960

約数和(自身を除く): 106894520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 281, 334, 344, 430, 562, 668, 835, 860, 1124, 1336, 1405, 1670, 1720, 2248, 2810, 3340, 5620, 6680, 7181, 11240, 12083, 14362, 24166, 28724, 35905, 46927, 48332, 57448, 60415, 71810, 93854, 96664, 120830, 143620, 187708, 234635, 241660, 287240, 375416, 469270, 483320, 938540, 1877080, 2017861, 4035722, 8071444, 10089305, 16142888, 20178610, 40357220, 80714440]

約数ペア:

[(1, 80714440), (2, 40357220), (4, 20178610), (5, 16142888), (8, 10089305), (10, 8071444), (20, 4035722), (40, 2017861), (43, 1877080), (86, 938540), (167, 483320), (172, 469270), (215, 375416), (281, 287240), (334, 241660), (344, 234635), (430, 187708), (562, 143620), (668, 120830), (835, 96664), (860, 93854), (1124, 71810), (1336, 60415), (1405, 57448), (1670, 48332), (1720, 46927), (2248, 35905), (2810, 28724), (3340, 24166), (5620, 14362), (6680, 12083), (7181, 11240)]