26983960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11059}}^1$

素因数の和:11131

約数の個数: 32

約数和(自身を含む): 61714800

約数和(自身を除く): 34730840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 11059, 22118, 44236, 55295, 88472, 110590, 221180, 442360, 674599, 1349198, 2698396, 3372995, 5396792, 6745990, 13491980, 26983960]

約数ペア:

[(1, 26983960), (2, 13491980), (4, 6745990), (5, 5396792), (8, 3372995), (10, 2698396), (20, 1349198), (40, 674599), (61, 442360), (122, 221180), (244, 110590), (305, 88472), (488, 55295), (610, 44236), (1220, 22118), (2440, 11059)]