2209087280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{890761}}^1$

素因数の和:890805

約数の個数: 40

約数和(自身を含む): 5301815424

約数和(自身を除く): 3092728144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 890761, 1781522, 3563044, 4453805, 7126088, 8907610, 14252176, 17815220, 27613591, 35630440, 55227182, 71260880, 110454364, 138067955, 220908728, 276135910, 441817456, 552271820, 1104543640, 2209087280]

約数ペア:

[(1, 2209087280), (2, 1104543640), (4, 552271820), (5, 441817456), (8, 276135910), (10, 220908728), (16, 138067955), (20, 110454364), (31, 71260880), (40, 55227182), (62, 35630440), (80, 27613591), (124, 17815220), (155, 14252176), (248, 8907610), (310, 7126088), (496, 4453805), (620, 3563044), (1240, 1781522), (2480, 890761)]