65404040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{125777}}^1$

素因数の和:125801

約数の個数: 32

約数和(自身を含む): 158480280

約数和(自身を除く): 93076240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 125777, 251554, 503108, 628885, 1006216, 1257770, 1635101, 2515540, 3270202, 5031080, 6540404, 8175505, 13080808, 16351010, 32702020, 65404040]

約数ペア:

[(1, 65404040), (2, 32702020), (4, 16351010), (5, 13080808), (8, 8175505), (10, 6540404), (13, 5031080), (20, 3270202), (26, 2515540), (40, 1635101), (52, 1257770), (65, 1006216), (104, 628885), (130, 503108), (260, 251554), (520, 125777)]