87534680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 203575680

約数和(自身を除く): 116041000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 101, 188, 202, 235, 376, 404, 461, 470, 505, 808, 922, 940, 1010, 1844, 1880, 2020, 2305, 3688, 4040, 4610, 4747, 9220, 9494, 18440, 18988, 21667, 23735, 37976, 43334, 46561, 47470, 86668, 93122, 94940, 108335, 173336, 186244, 189880, 216670, 232805, 372488, 433340, 465610, 866680, 931220, 1862440, 2188367, 4376734, 8753468, 10941835, 17506936, 21883670, 43767340, 87534680]

約数ペア:

[(1, 87534680), (2, 43767340), (4, 21883670), (5, 17506936), (8, 10941835), (10, 8753468), (20, 4376734), (40, 2188367), (47, 1862440), (94, 931220), (101, 866680), (188, 465610), (202, 433340), (235, 372488), (376, 232805), (404, 216670), (461, 189880), (470, 186244), (505, 173336), (808, 108335), (922, 94940), (940, 93122), (1010, 86668), (1844, 47470), (1880, 46561), (2020, 43334), (2305, 37976), (3688, 23735), (4040, 21667), (4610, 18988), (4747, 18440), (9220, 9494)]