56817320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1549}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 147312000

約数和(自身を除く): 90494680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1549, 1834, 2620, 3098, 3668, 4585, 5240, 6196, 7336, 7745, 9170, 10843, 12392, 15490, 18340, 21686, 30980, 36680, 43372, 54215, 61960, 86744, 108430, 202919, 216860, 405838, 433720, 811676, 1014595, 1420433, 1623352, 2029190, 2840866, 4058380, 5681732, 7102165, 8116760, 11363464, 14204330, 28408660, 56817320]

約数ペア:

[(1, 56817320), (2, 28408660), (4, 14204330), (5, 11363464), (7, 8116760), (8, 7102165), (10, 5681732), (14, 4058380), (20, 2840866), (28, 2029190), (35, 1623352), (40, 1420433), (56, 1014595), (70, 811676), (131, 433720), (140, 405838), (262, 216860), (280, 202919), (524, 108430), (655, 86744), (917, 61960), (1048, 54215), (1310, 43372), (1549, 36680), (1834, 30980), (2620, 21686), (3098, 18340), (3668, 15490), (4585, 12392), (5240, 10843), (6196, 9170), (7336, 7745)]