13812640

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 32931360

約数和(自身を除く): 19118720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 659, 1048, 1310, 1318, 2096, 2620, 2636, 3295, 4192, 5240, 5272, 6590, 10480, 10544, 13180, 20960, 21088, 26360, 52720, 86329, 105440, 172658, 345316, 431645, 690632, 863290, 1381264, 1726580, 2762528, 3453160, 6906320, 13812640]

約数ペア:

[(1, 13812640), (2, 6906320), (4, 3453160), (5, 2762528), (8, 1726580), (10, 1381264), (16, 863290), (20, 690632), (32, 431645), (40, 345316), (80, 172658), (131, 105440), (160, 86329), (262, 52720), (524, 26360), (655, 21088), (659, 20960), (1048, 13180), (1310, 10544), (1318, 10480), (2096, 6590), (2620, 5272), (2636, 5240), (3295, 4192)]