80123360

素因数分解:

$2^5\times 5^1\times {\mathrm{619}}^1\times {\mathrm{809}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 189831600

約数和(自身を除く): 109708240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 619, 809, 1238, 1618, 2476, 3095, 3236, 4045, 4952, 6190, 6472, 8090, 9904, 12380, 12944, 16180, 19808, 24760, 25888, 32360, 49520, 64720, 99040, 129440, 500771, 1001542, 2003084, 2503855, 4006168, 5007710, 8012336, 10015420, 16024672, 20030840, 40061680, 80123360]

約数ペア:

[(1, 80123360), (2, 40061680), (4, 20030840), (5, 16024672), (8, 10015420), (10, 8012336), (16, 5007710), (20, 4006168), (32, 2503855), (40, 2003084), (80, 1001542), (160, 500771), (619, 129440), (809, 99040), (1238, 64720), (1618, 49520), (2476, 32360), (3095, 25888), (3236, 24760), (4045, 19808), (4952, 16180), (6190, 12944), (6472, 12380), (8090, 9904)]