87406840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2447}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 211507200

約数和(自身を除く): 124100360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 2447, 3572, 4465, 4894, 7144, 8930, 9788, 12235, 17860, 19576, 24470, 35720, 46493, 48940, 92986, 97880, 115009, 185972, 230018, 232465, 371944, 460036, 464930, 575045, 920072, 929860, 1150090, 1859720, 2185171, 2300180, 4370342, 4600360, 8740684, 10925855, 17481368, 21851710, 43703420, 87406840]

約数ペア:

[(1, 87406840), (2, 43703420), (4, 21851710), (5, 17481368), (8, 10925855), (10, 8740684), (19, 4600360), (20, 4370342), (38, 2300180), (40, 2185171), (47, 1859720), (76, 1150090), (94, 929860), (95, 920072), (152, 575045), (188, 464930), (190, 460036), (235, 371944), (376, 232465), (380, 230018), (470, 185972), (760, 115009), (893, 97880), (940, 92986), (1786, 48940), (1880, 46493), (2447, 35720), (3572, 24470), (4465, 19576), (4894, 17860), (7144, 12235), (8930, 9788)]