27893840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26821}}^1$

素因数の和:26847

約数の個数: 40

約数和(自身を含む): 69844488

約数和(自身を除く): 41950648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26821, 53642, 107284, 134105, 214568, 268210, 348673, 429136, 536420, 697346, 1072840, 1394692, 1743365, 2145680, 2789384, 3486730, 5578768, 6973460, 13946920, 27893840]

約数ペア:

[(1, 27893840), (2, 13946920), (4, 6973460), (5, 5578768), (8, 3486730), (10, 2789384), (13, 2145680), (16, 1743365), (20, 1394692), (26, 1072840), (40, 697346), (52, 536420), (65, 429136), (80, 348673), (104, 268210), (130, 214568), (208, 134105), (260, 107284), (520, 53642), (1040, 26821)]