8393920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1577

約数の個数: 56

約数和(自身を含む): 21177504

約数和(自身を除く): 12783584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 1543, 2720, 3086, 5440, 6172, 7715, 12344, 15430, 24688, 26231, 30860, 49376, 52462, 61720, 98752, 104924, 123440, 131155, 209848, 246880, 262310, 419696, 493760, 524620, 839392, 1049240, 1678784, 2098480, 4196960, 8393920]

約数ペア:

[(1, 8393920), (2, 4196960), (4, 2098480), (5, 1678784), (8, 1049240), (10, 839392), (16, 524620), (17, 493760), (20, 419696), (32, 262310), (34, 246880), (40, 209848), (64, 131155), (68, 123440), (80, 104924), (85, 98752), (136, 61720), (160, 52462), (170, 49376), (272, 30860), (320, 26231), (340, 24688), (544, 15430), (680, 12344), (1088, 7715), (1360, 6172), (1543, 5440), (2720, 3086)]