2141508520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1727023}}^1$

素因数の和:1727065

約数の個数: 32

約数和(自身を含む): 4973829120

約数和(自身を除く): 2832320600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1727023, 3454046, 6908092, 8635115, 13816184, 17270230, 34540460, 53537713, 69080920, 107075426, 214150852, 267688565, 428301704, 535377130, 1070754260, 2141508520]

約数ペア:

[(1, 2141508520), (2, 1070754260), (4, 535377130), (5, 428301704), (8, 267688565), (10, 214150852), (20, 107075426), (31, 69080920), (40, 53537713), (62, 34540460), (124, 17270230), (155, 13816184), (248, 8635115), (310, 6908092), (620, 3454046), (1240, 1727023)]