40145144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 85155840

約数和(自身を除く): 45010696

約数列:

[1, 2, 4, 8, 13, 26, 43, 47, 52, 86, 94, 104, 172, 188, 191, 344, 376, 382, 559, 611, 764, 1118, 1222, 1528, 2021, 2236, 2444, 2483, 4042, 4472, 4888, 4966, 8084, 8213, 8977, 9932, 16168, 16426, 17954, 19864, 26273, 32852, 35908, 52546, 65704, 71816, 105092, 106769, 116701, 210184, 213538, 233402, 386011, 427076, 466804, 772022, 854152, 933608, 1544044, 3088088, 5018143, 10036286, 20072572, 40145144]

約数ペア:

[(1, 40145144), (2, 20072572), (4, 10036286), (8, 5018143), (13, 3088088), (26, 1544044), (43, 933608), (47, 854152), (52, 772022), (86, 466804), (94, 427076), (104, 386011), (172, 233402), (188, 213538), (191, 210184), (344, 116701), (376, 106769), (382, 105092), (559, 71816), (611, 65704), (764, 52546), (1118, 35908), (1222, 32852), (1528, 26273), (2021, 19864), (2236, 17954), (2444, 16426), (2483, 16168), (4042, 9932), (4472, 8977), (4888, 8213), (4966, 8084)]