72911560

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2069}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 164316600

約数和(自身を除く): 91405040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 2069, 3524, 4138, 4405, 7048, 8276, 8810, 10345, 16552, 17620, 20690, 35240, 41380, 82760, 1822789, 3645578, 7291156, 9113945, 14582312, 18227890, 36455780, 72911560]

約数ペア:

[(1, 72911560), (2, 36455780), (4, 18227890), (5, 14582312), (8, 9113945), (10, 7291156), (20, 3645578), (40, 1822789), (881, 82760), (1762, 41380), (2069, 35240), (3524, 20690), (4138, 17620), (4405, 16552), (7048, 10345), (8276, 8810)]