100381840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 252983808

約数和(自身を除く): 152601968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 263, 367, 520, 526, 734, 1040, 1052, 1315, 1468, 1835, 2104, 2630, 2936, 3419, 3670, 4208, 4771, 5260, 5872, 6838, 7340, 9542, 10520, 13676, 14680, 17095, 19084, 21040, 23855, 27352, 29360, 34190, 38168, 47710, 54704, 68380, 76336, 95420, 96521, 136760, 190840, 193042, 273520, 381680, 386084, 482605, 772168, 965210, 1254773, 1544336, 1930420, 2509546, 3860840, 5019092, 6273865, 7721680, 10038184, 12547730, 20076368, 25095460, 50190920, 100381840]

約数ペア:

[(1, 100381840), (2, 50190920), (4, 25095460), (5, 20076368), (8, 12547730), (10, 10038184), (13, 7721680), (16, 6273865), (20, 5019092), (26, 3860840), (40, 2509546), (52, 1930420), (65, 1544336), (80, 1254773), (104, 965210), (130, 772168), (208, 482605), (260, 386084), (263, 381680), (367, 273520), (520, 193042), (526, 190840), (734, 136760), (1040, 96521), (1052, 95420), (1315, 76336), (1468, 68380), (1835, 54704), (2104, 47710), (2630, 38168), (2936, 34190), (3419, 29360), (3670, 27352), (4208, 23855), (4771, 21040), (5260, 19084), (5872, 17095), (6838, 14680), (7340, 13676), (9542, 10520)]