65671840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31573}}^1$

素因数の和:31601

約数の個数: 48

約数和(自身を含む): 167089608

約数和(自身を除く): 101417768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 31573, 63146, 126292, 157865, 252584, 315730, 410449, 505168, 631460, 820898, 1010336, 1262920, 1641796, 2052245, 2525840, 3283592, 4104490, 5051680, 6567184, 8208980, 13134368, 16417960, 32835920, 65671840]

約数ペア:

[(1, 65671840), (2, 32835920), (4, 16417960), (5, 13134368), (8, 8208980), (10, 6567184), (13, 5051680), (16, 4104490), (20, 3283592), (26, 2525840), (32, 2052245), (40, 1641796), (52, 1262920), (65, 1010336), (80, 820898), (104, 631460), (130, 505168), (160, 410449), (208, 315730), (260, 252584), (416, 157865), (520, 126292), (1040, 63146), (2080, 31573)]