8879320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1597}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 20134800

約数和(自身を除く): 11255480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1597, 2780, 3194, 5560, 6388, 7985, 12776, 15970, 31940, 63880, 221983, 443966, 887932, 1109915, 1775864, 2219830, 4439660, 8879320]

約数ペア:

[(1, 8879320), (2, 4439660), (4, 2219830), (5, 1775864), (8, 1109915), (10, 887932), (20, 443966), (40, 221983), (139, 63880), (278, 31940), (556, 15970), (695, 12776), (1112, 7985), (1390, 6388), (1597, 5560), (2780, 3194)]