34280920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20903}}^1$

素因数の和:20955

約数の個数: 32

約数和(自身を含む): 79017120

約数和(自身を除く): 44736200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 20903, 41806, 83612, 104515, 167224, 209030, 418060, 836120, 857023, 1714046, 3428092, 4285115, 6856184, 8570230, 17140460, 34280920]

約数ペア:

[(1, 34280920), (2, 17140460), (4, 8570230), (5, 6856184), (8, 4285115), (10, 3428092), (20, 1714046), (40, 857023), (41, 836120), (82, 418060), (164, 209030), (205, 167224), (328, 104515), (410, 83612), (820, 41806), (1640, 20903)]