81792940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1033}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 178228512

約数和(自身を除く): 96435572

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 370, 428, 535, 740, 1033, 1070, 2066, 2140, 3959, 4132, 5165, 7918, 10330, 15836, 19795, 20660, 38221, 39590, 76442, 79180, 110531, 152884, 191105, 221062, 382210, 442124, 552655, 764420, 1105310, 2210620, 4089647, 8179294, 16358588, 20448235, 40896470, 81792940]

約数ペア:

[(1, 81792940), (2, 40896470), (4, 20448235), (5, 16358588), (10, 8179294), (20, 4089647), (37, 2210620), (74, 1105310), (107, 764420), (148, 552655), (185, 442124), (214, 382210), (370, 221062), (428, 191105), (535, 152884), (740, 110531), (1033, 79180), (1070, 76442), (2066, 39590), (2140, 38221), (3959, 20660), (4132, 19795), (5165, 15836), (7918, 10330)]