26456920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 69192000

約数和(自身を除く): 42735080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1549, 1708, 2135, 2440, 3098, 3416, 4270, 6196, 7745, 8540, 10843, 12392, 15490, 17080, 21686, 30980, 43372, 54215, 61960, 86744, 94489, 108430, 188978, 216860, 377956, 433720, 472445, 661423, 755912, 944890, 1322846, 1889780, 2645692, 3307115, 3779560, 5291384, 6614230, 13228460, 26456920]

約数ペア:

[(1, 26456920), (2, 13228460), (4, 6614230), (5, 5291384), (7, 3779560), (8, 3307115), (10, 2645692), (14, 1889780), (20, 1322846), (28, 944890), (35, 755912), (40, 661423), (56, 472445), (61, 433720), (70, 377956), (122, 216860), (140, 188978), (244, 108430), (280, 94489), (305, 86744), (427, 61960), (488, 54215), (610, 43372), (854, 30980), (1220, 21686), (1549, 17080), (1708, 15490), (2135, 12392), (2440, 10843), (3098, 8540), (3416, 7745), (4270, 6196)]