56242280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 136382400

約数和(自身を除く): 80140120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 1721, 3268, 3442, 4085, 6536, 6884, 8170, 8605, 13768, 16340, 17210, 32680, 32699, 34420, 65398, 68840, 74003, 130796, 148006, 163495, 261592, 296012, 326990, 370015, 592024, 653980, 740030, 1307960, 1406057, 1480060, 2812114, 2960120, 5624228, 7030285, 11248456, 14060570, 28121140, 56242280]

約数ペア:

[(1, 56242280), (2, 28121140), (4, 14060570), (5, 11248456), (8, 7030285), (10, 5624228), (19, 2960120), (20, 2812114), (38, 1480060), (40, 1406057), (43, 1307960), (76, 740030), (86, 653980), (95, 592024), (152, 370015), (172, 326990), (190, 296012), (215, 261592), (344, 163495), (380, 148006), (430, 130796), (760, 74003), (817, 68840), (860, 65398), (1634, 34420), (1720, 32699), (1721, 32680), (3268, 17210), (3442, 16340), (4085, 13768), (6536, 8605), (6884, 8170)]