2813560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 6537600

約数和(自身を除く): 3724040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2269, 4538, 9076, 11345, 18152, 22690, 45380, 70339, 90760, 140678, 281356, 351695, 562712, 703390, 1406780, 2813560]

約数ペア:

[(1, 2813560), (2, 1406780), (4, 703390), (5, 562712), (8, 351695), (10, 281356), (20, 140678), (31, 90760), (40, 70339), (62, 45380), (124, 22690), (155, 18152), (248, 11345), (310, 9076), (620, 4538), (1240, 2269)]