2021432920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{12263}}^1$

素因数の和:12604

約数の個数: 64

約数和(自身を含む): 4913939520

約数和(自身を除く): 2892506600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 520, 634, 1268, 1585, 2536, 3170, 4121, 6340, 8242, 12263, 12680, 16484, 20605, 24526, 32968, 41210, 49052, 61315, 82420, 98104, 122630, 159419, 164840, 245260, 318838, 490520, 637676, 797095, 1275352, 1594190, 3188380, 3887371, 6376760, 7774742, 15549484, 19436855, 31098968, 38873710, 50535823, 77747420, 101071646, 155494840, 202143292, 252679115, 404286584, 505358230, 1010716460, 2021432920]

約数ペア:

[(1, 2021432920), (2, 1010716460), (4, 505358230), (5, 404286584), (8, 252679115), (10, 202143292), (13, 155494840), (20, 101071646), (26, 77747420), (40, 50535823), (52, 38873710), (65, 31098968), (104, 19436855), (130, 15549484), (260, 7774742), (317, 6376760), (520, 3887371), (634, 3188380), (1268, 1594190), (1585, 1275352), (2536, 797095), (3170, 637676), (4121, 490520), (6340, 318838), (8242, 245260), (12263, 164840), (12680, 159419), (16484, 122630), (20605, 98104), (24526, 82420), (32968, 61315), (41210, 49052)]