56940040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 133516800

約数和(自身を除く): 76576760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 487, 632, 740, 790, 974, 1480, 1580, 1948, 2435, 2923, 3160, 3896, 4870, 5846, 9740, 11692, 14615, 18019, 19480, 23384, 29230, 36038, 38473, 58460, 72076, 76946, 90095, 116920, 144152, 153892, 180190, 192365, 307784, 360380, 384730, 720760, 769460, 1423501, 1538920, 2847002, 5694004, 7117505, 11388008, 14235010, 28470020, 56940040]

約数ペア:

[(1, 56940040), (2, 28470020), (4, 14235010), (5, 11388008), (8, 7117505), (10, 5694004), (20, 2847002), (37, 1538920), (40, 1423501), (74, 769460), (79, 720760), (148, 384730), (158, 360380), (185, 307784), (296, 192365), (316, 180190), (370, 153892), (395, 144152), (487, 116920), (632, 90095), (740, 76946), (790, 72076), (974, 58460), (1480, 38473), (1580, 36038), (1948, 29230), (2435, 23384), (2923, 19480), (3160, 18019), (3896, 14615), (4870, 11692), (5846, 9740)]