39087280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15761}}^1$

素因数の和:15805

約数の個数: 40

約数和(自身を含む): 93815424

約数和(自身を除く): 54728144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15761, 31522, 63044, 78805, 126088, 157610, 252176, 315220, 488591, 630440, 977182, 1260880, 1954364, 2442955, 3908728, 4885910, 7817456, 9771820, 19543640, 39087280]

約数ペア:

[(1, 39087280), (2, 19543640), (4, 9771820), (5, 7817456), (8, 4885910), (10, 3908728), (16, 2442955), (20, 1954364), (31, 1260880), (40, 977182), (62, 630440), (80, 488591), (124, 315220), (155, 252176), (248, 157610), (310, 126088), (496, 78805), (620, 63044), (1240, 31522), (2480, 15761)]