29728240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21859}}^1$

素因数の和:21889

約数の個数: 40

約数和(自身を含む): 73187280

約数和(自身を除く): 43459040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21859, 43718, 87436, 109295, 174872, 218590, 349744, 371603, 437180, 743206, 874360, 1486412, 1748720, 1858015, 2972824, 3716030, 5945648, 7432060, 14864120, 29728240]

約数ペア:

[(1, 29728240), (2, 14864120), (4, 7432060), (5, 5945648), (8, 3716030), (10, 2972824), (16, 1858015), (17, 1748720), (20, 1486412), (34, 874360), (40, 743206), (68, 437180), (80, 371603), (85, 349744), (136, 218590), (170, 174872), (272, 109295), (340, 87436), (680, 43718), (1360, 21859)]