255570400

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{3163}}^1$

素因数の和:3284

約数の個数: 72

約数和(自身を含む): 630287784

約数和(自身を除く): 374717384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 505, 800, 808, 1010, 1616, 2020, 2525, 3163, 3232, 4040, 5050, 6326, 8080, 10100, 12652, 15815, 16160, 20200, 25304, 31630, 40400, 50608, 63260, 79075, 80800, 101216, 126520, 158150, 253040, 316300, 319463, 506080, 632600, 638926, 1265200, 1277852, 1597315, 2530400, 2555704, 3194630, 5111408, 6389260, 7986575, 10222816, 12778520, 15973150, 25557040, 31946300, 51114080, 63892600, 127785200, 255570400]

約数ペア:

[(1, 255570400), (2, 127785200), (4, 63892600), (5, 51114080), (8, 31946300), (10, 25557040), (16, 15973150), (20, 12778520), (25, 10222816), (32, 7986575), (40, 6389260), (50, 5111408), (80, 3194630), (100, 2555704), (101, 2530400), (160, 1597315), (200, 1277852), (202, 1265200), (400, 638926), (404, 632600), (505, 506080), (800, 319463), (808, 316300), (1010, 253040), (1616, 158150), (2020, 126520), (2525, 101216), (3163, 80800), (3232, 79075), (4040, 63260), (5050, 50608), (6326, 40400), (8080, 31630), (10100, 25304), (12652, 20200), (15815, 16160)]