27773920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10211}}^1$

素因数の和:10243

約数の個数: 48

約数和(自身を含む): 69482448

約数和(自身を除く): 41708528

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, 10211, 20422, 40844, 51055, 81688, 102110, 163376, 173587, 204220, 326752, 347174, 408440, 694348, 816880, 867935, 1388696, 1633760, 1735870, 2777392, 3471740, 5554784, 6943480, 13886960, 27773920]

約数ペア:

[(1, 27773920), (2, 13886960), (4, 6943480), (5, 5554784), (8, 3471740), (10, 2777392), (16, 1735870), (17, 1633760), (20, 1388696), (32, 867935), (34, 816880), (40, 694348), (68, 408440), (80, 347174), (85, 326752), (136, 204220), (160, 173587), (170, 163376), (272, 102110), (340, 81688), (544, 51055), (680, 40844), (1360, 20422), (2720, 10211)]