86162020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19853}}^1$

素因数の和:19900

約数の個数: 48

約数和(自身を含む): 213470208

約数和(自身を除く): 127308188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19853, 39706, 79412, 99265, 138971, 198530, 277942, 397060, 555884, 615443, 694855, 1230886, 1389710, 2461772, 2779420, 3077215, 4308101, 6154430, 8616202, 12308860, 17232404, 21540505, 43081010, 86162020]

約数ペア:

[(1, 86162020), (2, 43081010), (4, 21540505), (5, 17232404), (7, 12308860), (10, 8616202), (14, 6154430), (20, 4308101), (28, 3077215), (31, 2779420), (35, 2461772), (62, 1389710), (70, 1230886), (124, 694855), (140, 615443), (155, 555884), (217, 397060), (310, 277942), (434, 198530), (620, 138971), (868, 99265), (1085, 79412), (2170, 39706), (4340, 19853)]