7946320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1483

約数の個数: 40

約数和(自身を含む): 18748800

約数和(自身を除く): 10802480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1399, 1420, 2798, 2840, 5596, 5680, 6995, 11192, 13990, 22384, 27980, 55960, 99329, 111920, 198658, 397316, 496645, 794632, 993290, 1589264, 1986580, 3973160, 7946320]

約数ペア:

[(1, 7946320), (2, 3973160), (4, 1986580), (5, 1589264), (8, 993290), (10, 794632), (16, 496645), (20, 397316), (40, 198658), (71, 111920), (80, 99329), (142, 55960), (284, 27980), (355, 22384), (568, 13990), (710, 11192), (1136, 6995), (1399, 5680), (1420, 5596), (2798, 2840)]