27871840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10247}}^1$

素因数の和:10279

約数の個数: 48

約数和(自身を含む): 69727392

約数和(自身を除く): 41855552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10247, 20494, 40988, 51235, 81976, 102470, 163952, 174199, 204940, 327904, 348398, 409880, 696796, 819760, 870995, 1393592, 1639520, 1741990, 2787184, 3483980, 5574368, 6967960, 13935920, 27871840]

約数ペア:

[(1, 27871840), (2, 13935920), (4, 6967960), (5, 5574368), (8, 3483980), (10, 2787184), (16, 1741990), (17, 1639520), (20, 1393592), (32, 870995), (34, 819760), (40, 696796), (68, 409880), (80, 348398), (85, 327904), (136, 204940), (160, 174199), (170, 163952), (272, 102470), (340, 81976), (544, 51235), (680, 40988), (1360, 20494), (2720, 10247)]