84649720

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2689}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 190774800

約数和(自身を除く): 106125080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 2689, 3148, 3935, 5378, 6296, 7870, 10756, 13445, 15740, 21512, 26890, 31480, 53780, 107560, 2116243, 4232486, 8464972, 10581215, 16929944, 21162430, 42324860, 84649720]

約数ペア:

[(1, 84649720), (2, 42324860), (4, 21162430), (5, 16929944), (8, 10581215), (10, 8464972), (20, 4232486), (40, 2116243), (787, 107560), (1574, 53780), (2689, 31480), (3148, 26890), (3935, 21512), (5378, 15740), (6296, 13445), (7870, 10756)]