25995640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 66361680

約数和(自身を除く): 40366040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 121, 131, 164, 205, 220, 242, 262, 328, 410, 440, 451, 484, 524, 605, 655, 820, 902, 968, 1048, 1210, 1310, 1441, 1640, 1804, 2255, 2420, 2620, 2882, 3608, 4510, 4840, 4961, 5240, 5371, 5764, 7205, 9020, 9922, 10742, 11528, 14410, 15851, 18040, 19844, 21484, 24805, 26855, 28820, 31702, 39688, 42968, 49610, 53710, 57640, 59081, 63404, 79255, 99220, 107420, 118162, 126808, 158510, 198440, 214840, 236324, 295405, 317020, 472648, 590810, 634040, 649891, 1181620, 1299782, 2363240, 2599564, 3249455, 5199128, 6498910, 12997820, 25995640]

約数ペア:

[(1, 25995640), (2, 12997820), (4, 6498910), (5, 5199128), (8, 3249455), (10, 2599564), (11, 2363240), (20, 1299782), (22, 1181620), (40, 649891), (41, 634040), (44, 590810), (55, 472648), (82, 317020), (88, 295405), (110, 236324), (121, 214840), (131, 198440), (164, 158510), (205, 126808), (220, 118162), (242, 107420), (262, 99220), (328, 79255), (410, 63404), (440, 59081), (451, 57640), (484, 53710), (524, 49610), (605, 42968), (655, 39688), (820, 31702), (902, 28820), (968, 26855), (1048, 24805), (1210, 21484), (1310, 19844), (1441, 18040), (1640, 15851), (1804, 14410), (2255, 11528), (2420, 10742), (2620, 9922), (2882, 9020), (3608, 7205), (4510, 5764), (4840, 5371), (4961, 5240)]