12419320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4373}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 28343520

約数和(自身を除く): 15924200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4373, 8746, 17492, 21865, 34984, 43730, 87460, 174920, 310483, 620966, 1241932, 1552415, 2483864, 3104830, 6209660, 12419320]

約数ペア:

[(1, 12419320), (2, 6209660), (4, 3104830), (5, 2483864), (8, 1552415), (10, 1241932), (20, 620966), (40, 310483), (71, 174920), (142, 87460), (284, 43730), (355, 34984), (568, 21865), (710, 17492), (1420, 8746), (2840, 4373)]