11708780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 25613280

約数和(自身を除く): 13904500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 131, 164, 205, 218, 262, 410, 436, 524, 545, 655, 820, 1090, 1310, 2180, 2620, 4469, 5371, 8938, 10742, 14279, 17876, 21484, 22345, 26855, 28558, 44690, 53710, 57116, 71395, 89380, 107420, 142790, 285580, 585439, 1170878, 2341756, 2927195, 5854390, 11708780]

約数ペア:

[(1, 11708780), (2, 5854390), (4, 2927195), (5, 2341756), (10, 1170878), (20, 585439), (41, 285580), (82, 142790), (109, 107420), (131, 89380), (164, 71395), (205, 57116), (218, 53710), (262, 44690), (410, 28558), (436, 26855), (524, 22345), (545, 21484), (655, 17876), (820, 14279), (1090, 10742), (1310, 8938), (2180, 5371), (2620, 4469)]