51308240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12101}}^1$

素因数の和:12167

約数の個数: 40

約数和(自身を含む): 121552488

約数和(自身を除く): 70244248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 12101, 24202, 48404, 60505, 96808, 121010, 193616, 242020, 484040, 641353, 968080, 1282706, 2565412, 3206765, 5130824, 6413530, 10261648, 12827060, 25654120, 51308240]

約数ペア:

[(1, 51308240), (2, 25654120), (4, 12827060), (5, 10261648), (8, 6413530), (10, 5130824), (16, 3206765), (20, 2565412), (40, 1282706), (53, 968080), (80, 641353), (106, 484040), (212, 242020), (265, 193616), (424, 121010), (530, 96808), (848, 60505), (1060, 48404), (2120, 24202), (4240, 12101)]