1589291960

素因数分解:

$2^3\times 5^1\times {\mathrm{2857}}^1\times {\mathrm{13907}}^1$

素因数の和:16775

約数の個数: 32

約数和(自身を含む): 3577415760

約数和(自身を除く): 1988123800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2857, 5714, 11428, 13907, 14285, 22856, 27814, 28570, 55628, 57140, 69535, 111256, 114280, 139070, 278140, 556280, 39732299, 79464598, 158929196, 198661495, 317858392, 397322990, 794645980, 1589291960]

約数ペア:

[(1, 1589291960), (2, 794645980), (4, 397322990), (5, 317858392), (8, 198661495), (10, 158929196), (20, 79464598), (40, 39732299), (2857, 556280), (5714, 278140), (11428, 139070), (13907, 114280), (14285, 111256), (22856, 69535), (27814, 57140), (28570, 55628)]