89316580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 196439040

約数和(自身を除く): 107122460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2029, 2201, 4058, 4402, 8116, 8804, 10145, 11005, 20290, 22010, 40580, 44020, 62899, 125798, 144059, 251596, 288118, 314495, 576236, 628990, 720295, 1257980, 1440590, 2881180, 4465829, 8931658, 17863316, 22329145, 44658290, 89316580]

約数ペア:

[(1, 89316580), (2, 44658290), (4, 22329145), (5, 17863316), (10, 8931658), (20, 4465829), (31, 2881180), (62, 1440590), (71, 1257980), (124, 720295), (142, 628990), (155, 576236), (284, 314495), (310, 288118), (355, 251596), (620, 144059), (710, 125798), (1420, 62899), (2029, 44020), (2201, 40580), (4058, 22010), (4402, 20290), (8116, 11005), (8804, 10145)]