61535440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20789}}^1$

素因数の和:20839

約数の個数: 40

約数和(自身を含む): 146943720

約数和(自身を除く): 85408280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 20789, 41578, 83156, 103945, 166312, 207890, 332624, 415780, 769193, 831560, 1538386, 1663120, 3076772, 3845965, 6153544, 7691930, 12307088, 15383860, 30767720, 61535440]

約数ペア:

[(1, 61535440), (2, 30767720), (4, 15383860), (5, 12307088), (8, 7691930), (10, 6153544), (16, 3845965), (20, 3076772), (37, 1663120), (40, 1538386), (74, 831560), (80, 769193), (148, 415780), (185, 332624), (296, 207890), (370, 166312), (592, 103945), (740, 83156), (1480, 41578), (2960, 20789)]