87947800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25867}}^1$

素因数の和:25900

約数の個数: 48

約数和(自身を含む): 216515160

約数和(自身を除く): 128567360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 25867, 51734, 103468, 129335, 206936, 258670, 439739, 517340, 646675, 879478, 1034680, 1293350, 1758956, 2198695, 2586700, 3517912, 4397390, 5173400, 8794780, 10993475, 17589560, 21986950, 43973900, 87947800]

約数ペア:

[(1, 87947800), (2, 43973900), (4, 21986950), (5, 17589560), (8, 10993475), (10, 8794780), (17, 5173400), (20, 4397390), (25, 3517912), (34, 2586700), (40, 2198695), (50, 1758956), (68, 1293350), (85, 1034680), (100, 879478), (136, 646675), (170, 517340), (200, 439739), (340, 258670), (425, 206936), (680, 129335), (850, 103468), (1700, 51734), (3400, 25867)]