99879320

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{4373}}^1$

素因数の和:4955

約数の個数: 32

約数和(自身を含む): 225173520

約数和(自身を除く): 125294200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4373, 4568, 5710, 8746, 11420, 17492, 21865, 22840, 34984, 43730, 87460, 174920, 2496983, 4993966, 9987932, 12484915, 19975864, 24969830, 49939660, 99879320]

約数ペア:

[(1, 99879320), (2, 49939660), (4, 24969830), (5, 19975864), (8, 12484915), (10, 9987932), (20, 4993966), (40, 2496983), (571, 174920), (1142, 87460), (2284, 43730), (2855, 34984), (4373, 22840), (4568, 21865), (5710, 17492), (8746, 11420)]