25044448

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 72

約数和(自身を含む): 58382856

約数和(自身を除く): 33338408

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 352, 416, 421, 572, 676, 842, 1144, 1352, 1684, 1859, 2288, 2704, 3368, 3718, 4576, 4631, 5408, 5473, 6736, 7436, 9262, 10946, 13472, 14872, 18524, 21892, 29744, 37048, 43784, 59488, 60203, 71149, 74096, 87568, 120406, 142298, 148192, 175136, 240812, 284596, 481624, 569192, 782639, 963248, 1138384, 1565278, 1926496, 2276768, 3130556, 6261112, 12522224, 25044448]

約数ペア:

[(1, 25044448), (2, 12522224), (4, 6261112), (8, 3130556), (11, 2276768), (13, 1926496), (16, 1565278), (22, 1138384), (26, 963248), (32, 782639), (44, 569192), (52, 481624), (88, 284596), (104, 240812), (143, 175136), (169, 148192), (176, 142298), (208, 120406), (286, 87568), (338, 74096), (352, 71149), (416, 60203), (421, 59488), (572, 43784), (676, 37048), (842, 29744), (1144, 21892), (1352, 18524), (1684, 14872), (1859, 13472), (2288, 10946), (2704, 9262), (3368, 7436), (3718, 6736), (4576, 5473), (4631, 5408)]