26578480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19543}}^1$

素因数の和:19573

約数の個数: 40

約数和(自身を含む): 65433312

約数和(自身を除く): 38854832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19543, 39086, 78172, 97715, 156344, 195430, 312688, 332231, 390860, 664462, 781720, 1328924, 1563440, 1661155, 2657848, 3322310, 5315696, 6644620, 13289240, 26578480]

約数ペア:

[(1, 26578480), (2, 13289240), (4, 6644620), (5, 5315696), (8, 3322310), (10, 2657848), (16, 1661155), (17, 1563440), (20, 1328924), (34, 781720), (40, 664462), (68, 390860), (80, 332231), (85, 312688), (136, 195430), (170, 156344), (272, 97715), (340, 78172), (680, 39086), (1360, 19543)]