8049894760

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1\times {\mathrm{2153}}^1$

素因数の和:2818

約数の個数: 64

約数和(自身を含む): 18247654080

約数和(自身を除く): 10197759320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 443, 844, 886, 1055, 1688, 1772, 2110, 2153, 2215, 3544, 4220, 4306, 4430, 8440, 8612, 8860, 10765, 17224, 17720, 21530, 43060, 86120, 93473, 186946, 373892, 454283, 467365, 747784, 908566, 934730, 953779, 1817132, 1869460, 1907558, 2271415, 3634264, 3738920, 3815116, 4542830, 4768895, 7630232, 9085660, 9537790, 18171320, 19075580, 38151160, 201247369, 402494738, 804989476, 1006236845, 1609978952, 2012473690, 4024947380, 8049894760]

約数ペア:

[(1, 8049894760), (2, 4024947380), (4, 2012473690), (5, 1609978952), (8, 1006236845), (10, 804989476), (20, 402494738), (40, 201247369), (211, 38151160), (422, 19075580), (443, 18171320), (844, 9537790), (886, 9085660), (1055, 7630232), (1688, 4768895), (1772, 4542830), (2110, 3815116), (2153, 3738920), (2215, 3634264), (3544, 2271415), (4220, 1907558), (4306, 1869460), (4430, 1817132), (8440, 953779), (8612, 934730), (8860, 908566), (10765, 747784), (17224, 467365), (17720, 454283), (21530, 373892), (43060, 186946), (86120, 93473)]