31492240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 79869888

約数和(自身を除く): 48377648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 283, 428, 520, 535, 566, 856, 1040, 1070, 1132, 1391, 1415, 1712, 2140, 2264, 2782, 2830, 3679, 4280, 4528, 5564, 5660, 6955, 7358, 8560, 11128, 11320, 13910, 14716, 18395, 22256, 22640, 27820, 29432, 30281, 36790, 55640, 58864, 60562, 73580, 111280, 121124, 147160, 151405, 242248, 294320, 302810, 393653, 484496, 605620, 787306, 1211240, 1574612, 1968265, 2422480, 3149224, 3936530, 6298448, 7873060, 15746120, 31492240]

約数ペア:

[(1, 31492240), (2, 15746120), (4, 7873060), (5, 6298448), (8, 3936530), (10, 3149224), (13, 2422480), (16, 1968265), (20, 1574612), (26, 1211240), (40, 787306), (52, 605620), (65, 484496), (80, 393653), (104, 302810), (107, 294320), (130, 242248), (208, 151405), (214, 147160), (260, 121124), (283, 111280), (428, 73580), (520, 60562), (535, 58864), (566, 55640), (856, 36790), (1040, 30281), (1070, 29432), (1132, 27820), (1391, 22640), (1415, 22256), (1712, 18395), (2140, 14716), (2264, 13910), (2782, 11320), (2830, 11128), (3679, 8560), (4280, 7358), (4528, 6955), (5564, 5660)]