1295600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 3228960

約数和(自身を除く): 1933360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 79, 80, 82, 100, 158, 164, 200, 205, 316, 328, 395, 400, 410, 632, 656, 790, 820, 1025, 1264, 1580, 1640, 1975, 2050, 3160, 3239, 3280, 3950, 4100, 6320, 6478, 7900, 8200, 12956, 15800, 16195, 16400, 25912, 31600, 32390, 51824, 64780, 80975, 129560, 161950, 259120, 323900, 647800, 1295600]

約数ペア:

[(1, 1295600), (2, 647800), (4, 323900), (5, 259120), (8, 161950), (10, 129560), (16, 80975), (20, 64780), (25, 51824), (40, 32390), (41, 31600), (50, 25912), (79, 16400), (80, 16195), (82, 15800), (100, 12956), (158, 8200), (164, 7900), (200, 6478), (205, 6320), (316, 4100), (328, 3950), (395, 3280), (400, 3239), (410, 3160), (632, 2050), (656, 1975), (790, 1640), (820, 1580), (1025, 1264)]