25110020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 66407040

約数和(自身を除く): 41297020

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 23, 26, 34, 38, 46, 52, 65, 68, 76, 85, 92, 95, 115, 130, 169, 170, 190, 221, 230, 247, 260, 299, 323, 338, 340, 380, 391, 437, 442, 460, 494, 598, 646, 676, 782, 845, 874, 884, 988, 1105, 1196, 1235, 1292, 1495, 1564, 1615, 1690, 1748, 1955, 2185, 2210, 2470, 2873, 2990, 3211, 3230, 3380, 3887, 3910, 4199, 4370, 4420, 4940, 5083, 5681, 5746, 5980, 6422, 6460, 7429, 7774, 7820, 8398, 8740, 10166, 11362, 11492, 12844, 14365, 14858, 15548, 16055, 16796, 19435, 20332, 20995, 22724, 25415, 28405, 28730, 29716, 32110, 37145, 38870, 41990, 50830, 54587, 56810, 57460, 64220, 66079, 73853, 74290, 77740, 83980, 96577, 101660, 109174, 113620, 132158, 147706, 148580, 193154, 218348, 264316, 272935, 295412, 330395, 369265, 386308, 482885, 545870, 660790, 738530, 965770, 1091740, 1255501, 1321580, 1477060, 1931540, 2511002, 5022004, 6277505, 12555010, 25110020]

約数ペア:

[(1, 25110020), (2, 12555010), (4, 6277505), (5, 5022004), (10, 2511002), (13, 1931540), (17, 1477060), (19, 1321580), (20, 1255501), (23, 1091740), (26, 965770), (34, 738530), (38, 660790), (46, 545870), (52, 482885), (65, 386308), (68, 369265), (76, 330395), (85, 295412), (92, 272935), (95, 264316), (115, 218348), (130, 193154), (169, 148580), (170, 147706), (190, 132158), (221, 113620), (230, 109174), (247, 101660), (260, 96577), (299, 83980), (323, 77740), (338, 74290), (340, 73853), (380, 66079), (391, 64220), (437, 57460), (442, 56810), (460, 54587), (494, 50830), (598, 41990), (646, 38870), (676, 37145), (782, 32110), (845, 29716), (874, 28730), (884, 28405), (988, 25415), (1105, 22724), (1196, 20995), (1235, 20332), (1292, 19435), (1495, 16796), (1564, 16055), (1615, 15548), (1690, 14858), (1748, 14365), (1955, 12844), (2185, 11492), (2210, 11362), (2470, 10166), (2873, 8740), (2990, 8398), (3211, 7820), (3230, 7774), (3380, 7429), (3887, 6460), (3910, 6422), (4199, 5980), (4370, 5746), (4420, 5681), (4940, 5083)]