25486760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 64471680

約数和(自身を除く): 38984920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2131, 2392, 2990, 4262, 5980, 8524, 10655, 11960, 17048, 21310, 27703, 42620, 49013, 55406, 85240, 98026, 110812, 138515, 196052, 221624, 245065, 277030, 392104, 490130, 554060, 637169, 980260, 1108120, 1274338, 1960520, 2548676, 3185845, 5097352, 6371690, 12743380, 25486760]

約数ペア:

[(1, 25486760), (2, 12743380), (4, 6371690), (5, 5097352), (8, 3185845), (10, 2548676), (13, 1960520), (20, 1274338), (23, 1108120), (26, 980260), (40, 637169), (46, 554060), (52, 490130), (65, 392104), (92, 277030), (104, 245065), (115, 221624), (130, 196052), (184, 138515), (230, 110812), (260, 98026), (299, 85240), (460, 55406), (520, 49013), (598, 42620), (920, 27703), (1196, 21310), (1495, 17048), (2131, 11960), (2392, 10655), (2990, 8524), (4262, 5980)]