2021339080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1\times {\mathrm{1049}}^1$

素因数の和:1846

約数の個数: 64

約数和(自身を含む): 4626720000

約数和(自身を除く): 2605380920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 719, 1049, 1340, 1438, 2098, 2680, 2876, 3595, 4196, 5245, 5752, 7190, 8392, 10490, 14380, 20980, 28760, 41960, 48173, 70283, 96346, 140566, 192692, 240865, 281132, 351415, 385384, 481730, 562264, 702830, 754231, 963460, 1405660, 1508462, 1926920, 2811320, 3016924, 3771155, 6033848, 7542310, 15084620, 30169240, 50533477, 101066954, 202133908, 252667385, 404267816, 505334770, 1010669540, 2021339080]

約数ペア:

[(1, 2021339080), (2, 1010669540), (4, 505334770), (5, 404267816), (8, 252667385), (10, 202133908), (20, 101066954), (40, 50533477), (67, 30169240), (134, 15084620), (268, 7542310), (335, 6033848), (536, 3771155), (670, 3016924), (719, 2811320), (1049, 1926920), (1340, 1508462), (1438, 1405660), (2098, 963460), (2680, 754231), (2876, 702830), (3595, 562264), (4196, 481730), (5245, 385384), (5752, 351415), (7190, 281132), (8392, 240865), (10490, 192692), (14380, 140566), (20980, 96346), (28760, 70283), (41960, 48173)]