72904460

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{2789}}^1$

素因数の和:4105

約数の個数: 24

約数和(自身を含む): 153271440

約数和(自身を除く): 80366980

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 2789, 5228, 5578, 6535, 11156, 13070, 13945, 26140, 27890, 55780, 3645223, 7290446, 14580892, 18226115, 36452230, 72904460]

約数ペア:

[(1, 72904460), (2, 36452230), (4, 18226115), (5, 14580892), (10, 7290446), (20, 3645223), (1307, 55780), (2614, 27890), (2789, 26140), (5228, 13945), (5578, 13070), (6535, 11156)]