87782840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 205752960

約数和(自身を除く): 117970120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 188, 212, 235, 265, 376, 424, 470, 530, 881, 940, 1060, 1762, 1880, 2120, 2491, 3524, 4405, 4982, 7048, 8810, 9964, 12455, 17620, 19928, 24910, 35240, 41407, 46693, 49820, 82814, 93386, 99640, 165628, 186772, 207035, 233465, 331256, 373544, 414070, 466930, 828140, 933860, 1656280, 1867720, 2194571, 4389142, 8778284, 10972855, 17556568, 21945710, 43891420, 87782840]

約数ペア:

[(1, 87782840), (2, 43891420), (4, 21945710), (5, 17556568), (8, 10972855), (10, 8778284), (20, 4389142), (40, 2194571), (47, 1867720), (53, 1656280), (94, 933860), (106, 828140), (188, 466930), (212, 414070), (235, 373544), (265, 331256), (376, 233465), (424, 207035), (470, 186772), (530, 165628), (881, 99640), (940, 93386), (1060, 82814), (1762, 49820), (1880, 46693), (2120, 41407), (2491, 35240), (3524, 24910), (4405, 19928), (4982, 17620), (7048, 12455), (8810, 9964)]