31426880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 112

約数和(自身を含む): 81473040

約数和(自身を除く): 50046160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 109, 136, 160, 170, 212, 218, 265, 272, 320, 340, 424, 436, 530, 544, 545, 680, 848, 872, 901, 1060, 1088, 1090, 1360, 1696, 1744, 1802, 1853, 2120, 2180, 2720, 3392, 3488, 3604, 3706, 4240, 4360, 4505, 5440, 5777, 6976, 7208, 7412, 8480, 8720, 9010, 9265, 11554, 14416, 14824, 16960, 17440, 18020, 18530, 23108, 28832, 28885, 29648, 34880, 36040, 37060, 46216, 57664, 57770, 59296, 72080, 74120, 92432, 98209, 115540, 118592, 144160, 148240, 184864, 196418, 231080, 288320, 296480, 369728, 392836, 462160, 491045, 592960, 785672, 924320, 982090, 1571344, 1848640, 1964180, 3142688, 3928360, 6285376, 7856720, 15713440, 31426880]

約数ペア:

[(1, 31426880), (2, 15713440), (4, 7856720), (5, 6285376), (8, 3928360), (10, 3142688), (16, 1964180), (17, 1848640), (20, 1571344), (32, 982090), (34, 924320), (40, 785672), (53, 592960), (64, 491045), (68, 462160), (80, 392836), (85, 369728), (106, 296480), (109, 288320), (136, 231080), (160, 196418), (170, 184864), (212, 148240), (218, 144160), (265, 118592), (272, 115540), (320, 98209), (340, 92432), (424, 74120), (436, 72080), (530, 59296), (544, 57770), (545, 57664), (680, 46216), (848, 37060), (872, 36040), (901, 34880), (1060, 29648), (1088, 28885), (1090, 28832), (1360, 23108), (1696, 18530), (1744, 18020), (1802, 17440), (1853, 16960), (2120, 14824), (2180, 14416), (2720, 11554), (3392, 9265), (3488, 9010), (3604, 8720), (3706, 8480), (4240, 7412), (4360, 7208), (4505, 6976), (5440, 5777)]