25404830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 52690176

約数和(自身を除く): 27285346

約数列:

[1, 2, 5, 10, 11, 22, 41, 43, 55, 82, 86, 110, 131, 205, 215, 262, 410, 430, 451, 473, 655, 902, 946, 1310, 1441, 1763, 2255, 2365, 2882, 3526, 4510, 4730, 5371, 5633, 7205, 8815, 10742, 11266, 14410, 17630, 19393, 26855, 28165, 38786, 53710, 56330, 59081, 61963, 96965, 118162, 123926, 193930, 230953, 295405, 309815, 461906, 590810, 619630, 1154765, 2309530, 2540483, 5080966, 12702415, 25404830]

約数ペア:

[(1, 25404830), (2, 12702415), (5, 5080966), (10, 2540483), (11, 2309530), (22, 1154765), (41, 619630), (43, 590810), (55, 461906), (82, 309815), (86, 295405), (110, 230953), (131, 193930), (205, 123926), (215, 118162), (262, 96965), (410, 61963), (430, 59081), (451, 56330), (473, 53710), (655, 38786), (902, 28165), (946, 26855), (1310, 19393), (1441, 17630), (1763, 14410), (2255, 11266), (2365, 10742), (2882, 8815), (3526, 7205), (4510, 5633), (4730, 5371)]