8701720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 19822320

約数和(自身を除く): 11120600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2621, 3320, 5242, 10484, 13105, 20968, 26210, 52420, 104840, 217543, 435086, 870172, 1087715, 1740344, 2175430, 4350860, 8701720]

約数ペア:

[(1, 8701720), (2, 4350860), (4, 2175430), (5, 1740344), (8, 1087715), (10, 870172), (20, 435086), (40, 217543), (83, 104840), (166, 52420), (332, 26210), (415, 20968), (664, 13105), (830, 10484), (1660, 5242), (2621, 3320)]