1327303280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{186419}}^1$

素因数の和:186521

約数の個数: 40

約数和(自身を含む): 3120670800

約数和(自身を除く): 1793367520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 186419, 372838, 745676, 932095, 1491352, 1864190, 2982704, 3728380, 7456760, 14913520, 16591291, 33182582, 66365164, 82956455, 132730328, 165912910, 265460656, 331825820, 663651640, 1327303280]

約数ペア:

[(1, 1327303280), (2, 663651640), (4, 331825820), (5, 265460656), (8, 165912910), (10, 132730328), (16, 82956455), (20, 66365164), (40, 33182582), (80, 16591291), (89, 14913520), (178, 7456760), (356, 3728380), (445, 2982704), (712, 1864190), (890, 1491352), (1424, 932095), (1780, 745676), (3560, 372838), (7120, 186419)]