30929320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24943}}^1$

素因数の和:24985

約数の個数: 32

約数和(自身を含む): 71838720

約数和(自身を除く): 40909400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24943, 49886, 99772, 124715, 199544, 249430, 498860, 773233, 997720, 1546466, 3092932, 3866165, 6185864, 7732330, 15464660, 30929320]

約数ペア:

[(1, 30929320), (2, 15464660), (4, 7732330), (5, 6185864), (8, 3866165), (10, 3092932), (20, 1546466), (31, 997720), (40, 773233), (62, 498860), (124, 249430), (155, 199544), (248, 124715), (310, 99772), (620, 49886), (1240, 24943)]