11720120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7919}}^1$

素因数の和:7967

約数の個数: 32

約数和(自身を含む): 27086400

約数和(自身を除く): 15366280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 7919, 15838, 31676, 39595, 63352, 79190, 158380, 293003, 316760, 586006, 1172012, 1465015, 2344024, 2930030, 5860060, 11720120]

約数ペア:

[(1, 11720120), (2, 5860060), (4, 2930030), (5, 2344024), (8, 1465015), (10, 1172012), (20, 586006), (37, 316760), (40, 293003), (74, 158380), (148, 79190), (185, 63352), (296, 39595), (370, 31676), (740, 15838), (1480, 7919)]