27140840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 38177560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 167, 170, 239, 334, 340, 478, 668, 680, 835, 956, 1195, 1336, 1670, 1912, 2390, 2839, 3340, 4063, 4780, 5678, 6680, 8126, 9560, 11356, 14195, 16252, 20315, 22712, 28390, 32504, 39913, 40630, 56780, 79826, 81260, 113560, 159652, 162520, 199565, 319304, 399130, 678521, 798260, 1357042, 1596520, 2714084, 3392605, 5428168, 6785210, 13570420, 27140840]

約数ペア:

[(1, 27140840), (2, 13570420), (4, 6785210), (5, 5428168), (8, 3392605), (10, 2714084), (17, 1596520), (20, 1357042), (34, 798260), (40, 678521), (68, 399130), (85, 319304), (136, 199565), (167, 162520), (170, 159652), (239, 113560), (334, 81260), (340, 79826), (478, 56780), (668, 40630), (680, 39913), (835, 32504), (956, 28390), (1195, 22712), (1336, 20315), (1670, 16252), (1912, 14195), (2390, 11356), (2839, 9560), (3340, 8126), (4063, 6680), (4780, 5678)]