9915640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5059}}^1$

素因数の和:5084

約数の個数: 48

約数和(自身を含む): 25957800

約数和(自身を除く): 16042160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5059, 10118, 20236, 25295, 35413, 40472, 50590, 70826, 101180, 141652, 177065, 202360, 247891, 283304, 354130, 495782, 708260, 991564, 1239455, 1416520, 1983128, 2478910, 4957820, 9915640]

約数ペア:

[(1, 9915640), (2, 4957820), (4, 2478910), (5, 1983128), (7, 1416520), (8, 1239455), (10, 991564), (14, 708260), (20, 495782), (28, 354130), (35, 283304), (40, 247891), (49, 202360), (56, 177065), (70, 141652), (98, 101180), (140, 70826), (196, 50590), (245, 40472), (280, 35413), (392, 25295), (490, 20236), (980, 10118), (1960, 5059)]