87331340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1783}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 191815680

約数和(自身を除く): 104484340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 1783, 2449, 3566, 4898, 7132, 8915, 9796, 12245, 17830, 24490, 35660, 48980, 55273, 110546, 140857, 221092, 276365, 281714, 552730, 563428, 704285, 1105460, 1408570, 2817140, 4366567, 8733134, 17466268, 21832835, 43665670, 87331340]

約数ペア:

[(1, 87331340), (2, 43665670), (4, 21832835), (5, 17466268), (10, 8733134), (20, 4366567), (31, 2817140), (62, 1408570), (79, 1105460), (124, 704285), (155, 563428), (158, 552730), (310, 281714), (316, 276365), (395, 221092), (620, 140857), (790, 110546), (1580, 55273), (1783, 48980), (2449, 35660), (3566, 24490), (4898, 17830), (7132, 12245), (8915, 9796)]