91689320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73943}}^1$

素因数の和:73985

約数の個数: 32

約数和(自身を含む): 212958720

約数和(自身を除く): 121269400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73943, 147886, 295772, 369715, 591544, 739430, 1478860, 2292233, 2957720, 4584466, 9168932, 11461165, 18337864, 22922330, 45844660, 91689320]

約数ペア:

[(1, 91689320), (2, 45844660), (4, 22922330), (5, 18337864), (8, 11461165), (10, 9168932), (20, 4584466), (31, 2957720), (40, 2292233), (62, 1478860), (124, 739430), (155, 591544), (248, 369715), (310, 295772), (620, 147886), (1240, 73943)]