56390020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7211}}^1$

素因数の和:7260

約数の個数: 48

約数和(自身を含む): 130854528

約数和(自身を除く): 74464508

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7211, 7820, 14422, 28844, 36055, 72110, 122587, 144220, 165853, 245174, 331706, 490348, 612935, 663412, 829265, 1225870, 1658530, 2451740, 2819501, 3317060, 5639002, 11278004, 14097505, 28195010, 56390020]

約数ペア:

[(1, 56390020), (2, 28195010), (4, 14097505), (5, 11278004), (10, 5639002), (17, 3317060), (20, 2819501), (23, 2451740), (34, 1658530), (46, 1225870), (68, 829265), (85, 663412), (92, 612935), (115, 490348), (170, 331706), (230, 245174), (340, 165853), (391, 144220), (460, 122587), (782, 72110), (1564, 36055), (1955, 28844), (3910, 14422), (7211, 7820)]