129925840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{773}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 331693056

約数和(自身を除く): 201767216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 440, 764, 773, 880, 955, 1528, 1546, 1910, 2101, 3056, 3092, 3820, 3865, 4202, 6184, 7640, 7730, 8404, 8503, 10505, 12368, 15280, 15460, 16808, 17006, 21010, 30920, 33616, 34012, 42020, 42515, 61840, 68024, 84040, 85030, 136048, 147643, 168080, 170060, 295286, 340120, 590572, 680240, 738215, 1181144, 1476430, 1624073, 2362288, 2952860, 3248146, 5905720, 6496292, 8120365, 11811440, 12992584, 16240730, 25985168, 32481460, 64962920, 129925840]

約数ペア:

[(1, 129925840), (2, 64962920), (4, 32481460), (5, 25985168), (8, 16240730), (10, 12992584), (11, 11811440), (16, 8120365), (20, 6496292), (22, 5905720), (40, 3248146), (44, 2952860), (55, 2362288), (80, 1624073), (88, 1476430), (110, 1181144), (176, 738215), (191, 680240), (220, 590572), (382, 340120), (440, 295286), (764, 170060), (773, 168080), (880, 147643), (955, 136048), (1528, 85030), (1546, 84040), (1910, 68024), (2101, 61840), (3056, 42515), (3092, 42020), (3820, 34012), (3865, 33616), (4202, 30920), (6184, 21010), (7640, 17006), (7730, 16808), (8404, 15460), (8503, 15280), (10505, 12368)]