6415784.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6451}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 48777120

約数和(自身を除く): 27359800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6451, 12902, 25804, 32255, 51608, 64510, 129020, 258040, 535433, 1070866, 2141732, 2677165, 4283464, 5354330, 10708660, 21417320]

約数ペア:

[(1, 21417320), (2, 10708660), (4, 5354330), (5, 4283464), (8, 2677165), (10, 2141732), (20, 1070866), (40, 535433), (83, 258040), (166, 129020), (332, 64510), (415, 51608), (664, 32255), (830, 25804), (1660, 12902), (3320, 6451)]