25003888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1321}}^1$

素因数の和:1362

約数の個数: 60

約数和(自身を含む): 59997648

約数和(自身を除く): 34993760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1321, 1352, 1456, 2366, 2642, 2704, 4732, 5284, 9247, 9464, 10568, 17173, 18494, 18928, 21136, 34346, 36988, 68692, 73976, 120211, 137384, 147952, 223249, 240422, 274768, 446498, 480844, 892996, 961688, 1562743, 1785992, 1923376, 3125486, 3571984, 6250972, 12501944, 25003888]

約数ペア:

[(1, 25003888), (2, 12501944), (4, 6250972), (7, 3571984), (8, 3125486), (13, 1923376), (14, 1785992), (16, 1562743), (26, 961688), (28, 892996), (52, 480844), (56, 446498), (91, 274768), (104, 240422), (112, 223249), (169, 147952), (182, 137384), (208, 120211), (338, 73976), (364, 68692), (676, 36988), (728, 34346), (1183, 21136), (1321, 18928), (1352, 18494), (1456, 17173), (2366, 10568), (2642, 9464), (2704, 9247), (4732, 5284)]