81576800

素因数分解:

$2^5\times 5^2\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1080

約数の個数: 72

約数和(自身を含む): 201221496

約数和(自身を除く): 119644696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 107, 160, 200, 214, 400, 428, 535, 800, 856, 953, 1070, 1712, 1906, 2140, 2675, 3424, 3812, 4280, 4765, 5350, 7624, 8560, 9530, 10700, 15248, 17120, 19060, 21400, 23825, 30496, 38120, 42800, 47650, 76240, 85600, 95300, 101971, 152480, 190600, 203942, 381200, 407884, 509855, 762400, 815768, 1019710, 1631536, 2039420, 2549275, 3263072, 4078840, 5098550, 8157680, 10197100, 16315360, 20394200, 40788400, 81576800]

約数ペア:

[(1, 81576800), (2, 40788400), (4, 20394200), (5, 16315360), (8, 10197100), (10, 8157680), (16, 5098550), (20, 4078840), (25, 3263072), (32, 2549275), (40, 2039420), (50, 1631536), (80, 1019710), (100, 815768), (107, 762400), (160, 509855), (200, 407884), (214, 381200), (400, 203942), (428, 190600), (535, 152480), (800, 101971), (856, 95300), (953, 85600), (1070, 76240), (1712, 47650), (1906, 42800), (2140, 38120), (2675, 30496), (3424, 23825), (3812, 21400), (4280, 19060), (4765, 17120), (5350, 15248), (7624, 10700), (8560, 9530)]