2791720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 6376320

約数和(自身を除く): 3584600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 983, 1420, 1966, 2840, 3932, 4915, 7864, 9830, 19660, 39320, 69793, 139586, 279172, 348965, 558344, 697930, 1395860, 2791720]

約数ペア:

[(1, 2791720), (2, 1395860), (4, 697930), (5, 558344), (8, 348965), (10, 279172), (20, 139586), (40, 69793), (71, 39320), (142, 19660), (284, 9830), (355, 7864), (568, 4915), (710, 3932), (983, 2840), (1420, 1966)]