64116400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2029}}^1$

素因数の和:2126

約数の個数: 60

約数和(自身を含む): 156066400

約数和(自身を除く): 91950000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 2029, 3160, 3950, 4058, 6320, 7900, 8116, 10145, 15800, 16232, 20290, 31600, 32464, 40580, 50725, 81160, 101450, 160291, 162320, 202900, 320582, 405800, 641164, 801455, 811600, 1282328, 1602910, 2564656, 3205820, 4007275, 6411640, 8014550, 12823280, 16029100, 32058200, 64116400]

約数ペア:

[(1, 64116400), (2, 32058200), (4, 16029100), (5, 12823280), (8, 8014550), (10, 6411640), (16, 4007275), (20, 3205820), (25, 2564656), (40, 1602910), (50, 1282328), (79, 811600), (80, 801455), (100, 641164), (158, 405800), (200, 320582), (316, 202900), (395, 162320), (400, 160291), (632, 101450), (790, 81160), (1264, 50725), (1580, 40580), (1975, 32464), (2029, 31600), (3160, 20290), (3950, 16232), (4058, 15800), (6320, 10145), (7900, 8116)]