13928920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 19248680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 239, 248, 310, 376, 470, 478, 620, 940, 956, 1195, 1240, 1457, 1880, 1912, 2390, 2914, 4780, 5828, 7285, 7409, 9560, 11233, 11656, 14570, 14818, 22466, 29140, 29636, 37045, 44932, 56165, 58280, 59272, 74090, 89864, 112330, 148180, 224660, 296360, 348223, 449320, 696446, 1392892, 1741115, 2785784, 3482230, 6964460, 13928920]

約数ペア:

[(1, 13928920), (2, 6964460), (4, 3482230), (5, 2785784), (8, 1741115), (10, 1392892), (20, 696446), (31, 449320), (40, 348223), (47, 296360), (62, 224660), (94, 148180), (124, 112330), (155, 89864), (188, 74090), (235, 59272), (239, 58280), (248, 56165), (310, 44932), (376, 37045), (470, 29636), (478, 29140), (620, 22466), (940, 14818), (956, 14570), (1195, 11656), (1240, 11233), (1457, 9560), (1880, 7409), (1912, 7285), (2390, 5828), (2914, 4780)]