80242816

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 166953600

約数和(自身を除く): 86710784

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 128, 172, 239, 244, 344, 478, 488, 688, 956, 976, 1376, 1912, 1952, 2623, 2752, 3824, 3904, 5246, 5504, 7648, 7808, 10277, 10492, 14579, 15296, 20554, 20984, 29158, 30592, 41108, 41968, 58316, 82216, 83936, 116632, 164432, 167872, 233264, 328864, 335744, 466528, 626897, 657728, 933056, 1253794, 1315456, 1866112, 2507588, 5015176, 10030352, 20060704, 40121408, 80242816]

約数ペア:

[(1, 80242816), (2, 40121408), (4, 20060704), (8, 10030352), (16, 5015176), (32, 2507588), (43, 1866112), (61, 1315456), (64, 1253794), (86, 933056), (122, 657728), (128, 626897), (172, 466528), (239, 335744), (244, 328864), (344, 233264), (478, 167872), (488, 164432), (688, 116632), (956, 83936), (976, 82216), (1376, 58316), (1912, 41968), (1952, 41108), (2623, 30592), (2752, 29158), (3824, 20984), (3904, 20554), (5246, 15296), (5504, 14579), (7648, 10492), (7808, 10277)]