28717760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5279}}^1$

素因数の和:5313

約数の個数: 56

約数和(自身を含む): 72420480

約数和(自身を除く): 43702720

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, 2720, 5279, 5440, 10558, 21116, 26395, 42232, 52790, 84464, 89743, 105580, 168928, 179486, 211160, 337856, 358972, 422320, 448715, 717944, 844640, 897430, 1435888, 1689280, 1794860, 2871776, 3589720, 5743552, 7179440, 14358880, 28717760]

約数ペア:

[(1, 28717760), (2, 14358880), (4, 7179440), (5, 5743552), (8, 3589720), (10, 2871776), (16, 1794860), (17, 1689280), (20, 1435888), (32, 897430), (34, 844640), (40, 717944), (64, 448715), (68, 422320), (80, 358972), (85, 337856), (136, 211160), (160, 179486), (170, 168928), (272, 105580), (320, 89743), (340, 84464), (544, 52790), (680, 42232), (1088, 26395), (1360, 21116), (2720, 10558), (5279, 5440)]