40121408

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 56

約数和(自身を含む): 83149440

約数和(自身を除く): 43028032

約数列:

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

約数ペア:

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