71849320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57943}}^1$

素因数の和:57985

約数の個数: 32

約数和(自身を含む): 166878720

約数和(自身を除く): 95029400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57943, 115886, 231772, 289715, 463544, 579430, 1158860, 1796233, 2317720, 3592466, 7184932, 8981165, 14369864, 17962330, 35924660, 71849320]

約数ペア:

[(1, 71849320), (2, 35924660), (4, 17962330), (5, 14369864), (8, 8981165), (10, 7184932), (20, 3592466), (31, 2317720), (40, 1796233), (62, 1158860), (124, 579430), (155, 463544), (248, 289715), (310, 231772), (620, 115886), (1240, 57943)]