26429420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 57492288

約数和(自身を除く): 31062868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 193, 205, 334, 386, 410, 668, 772, 820, 835, 965, 1670, 1930, 3340, 3860, 6847, 7913, 13694, 15826, 27388, 31652, 32231, 34235, 39565, 64462, 68470, 79130, 128924, 136940, 158260, 161155, 322310, 644620, 1321471, 2642942, 5285884, 6607355, 13214710, 26429420]

約数ペア:

[(1, 26429420), (2, 13214710), (4, 6607355), (5, 5285884), (10, 2642942), (20, 1321471), (41, 644620), (82, 322310), (164, 161155), (167, 158260), (193, 136940), (205, 128924), (334, 79130), (386, 68470), (410, 64462), (668, 39565), (772, 34235), (820, 32231), (835, 31652), (965, 27388), (1670, 15826), (1930, 13694), (3340, 7913), (3860, 6847)]