12772240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12281}}^1$

素因数の和:12307

約数の個数: 40

約数和(自身を含む): 31982328

約数和(自身を除く): 19210088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12281, 24562, 49124, 61405, 98248, 122810, 159653, 196496, 245620, 319306, 491240, 638612, 798265, 982480, 1277224, 1596530, 2554448, 3193060, 6386120, 12772240]

約数ペア:

[(1, 12772240), (2, 6386120), (4, 3193060), (5, 2554448), (8, 1596530), (10, 1277224), (13, 982480), (16, 798265), (20, 638612), (26, 491240), (40, 319306), (52, 245620), (65, 196496), (80, 159653), (104, 122810), (130, 98248), (208, 61405), (260, 49124), (520, 24562), (1040, 12281)]