220126880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80929}}^1$

素因数の和:80961

約数の個数: 48

約数和(自身を含む): 550647720

約数和(自身を除く): 330520840

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, 80929, 161858, 323716, 404645, 647432, 809290, 1294864, 1375793, 1618580, 2589728, 2751586, 3237160, 5503172, 6474320, 6878965, 11006344, 12948640, 13757930, 22012688, 27515860, 44025376, 55031720, 110063440, 220126880]

約数ペア:

[(1, 220126880), (2, 110063440), (4, 55031720), (5, 44025376), (8, 27515860), (10, 22012688), (16, 13757930), (17, 12948640), (20, 11006344), (32, 6878965), (34, 6474320), (40, 5503172), (68, 3237160), (80, 2751586), (85, 2589728), (136, 1618580), (160, 1375793), (170, 1294864), (272, 809290), (340, 647432), (544, 404645), (680, 323716), (1360, 161858), (2720, 80929)]