3211705040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{255709}}^1$

素因数の和:255879

約数の個数: 40

約数和(自身を含む): 7514805480

約数和(自身を除く): 4303100440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 255709, 511418, 1022836, 1278545, 2045672, 2557090, 4091344, 5114180, 10228360, 20456720, 40146313, 80292626, 160585252, 200731565, 321170504, 401463130, 642341008, 802926260, 1605852520, 3211705040]

約数ペア:

[(1, 3211705040), (2, 1605852520), (4, 802926260), (5, 642341008), (8, 401463130), (10, 321170504), (16, 200731565), (20, 160585252), (40, 80292626), (80, 40146313), (157, 20456720), (314, 10228360), (628, 5114180), (785, 4091344), (1256, 2557090), (1570, 2045672), (2512, 1278545), (3140, 1022836), (6280, 511418), (12560, 255709)]