40918195840

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{488051}}^1$

素因数の和:488201

約数の個数: 64

約数和(自身を含む): 98566981920

約数和(自身を除く): 57648786080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 2096, 2620, 4192, 5240, 8384, 10480, 16768, 20960, 41920, 83840, 488051, 976102, 1952204, 2440255, 3904408, 4880510, 7808816, 9761020, 15617632, 19522040, 31235264, 39044080, 62470528, 63934681, 78088160, 127869362, 156176320, 255738724, 312352640, 319673405, 511477448, 639346810, 1022954896, 1278693620, 2045909792, 2557387240, 4091819584, 5114774480, 8183639168, 10229548960, 20459097920, 40918195840]

約数ペア:

[(1, 40918195840), (2, 20459097920), (4, 10229548960), (5, 8183639168), (8, 5114774480), (10, 4091819584), (16, 2557387240), (20, 2045909792), (32, 1278693620), (40, 1022954896), (64, 639346810), (80, 511477448), (128, 319673405), (131, 312352640), (160, 255738724), (262, 156176320), (320, 127869362), (524, 78088160), (640, 63934681), (655, 62470528), (1048, 39044080), (1310, 31235264), (2096, 19522040), (2620, 15617632), (4192, 9761020), (5240, 7808816), (8384, 4880510), (10480, 3904408), (16768, 2440255), (20960, 1952204), (41920, 976102), (83840, 488051)]