206603680

素因数分解:

$2^5\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1303}}^1$

素因数の和:2309

約数の個数: 48

約数和(自身を含む): 488968704

約数和(自身を除く): 282365024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 991, 1303, 1982, 2606, 3964, 4955, 5212, 6515, 7928, 9910, 10424, 13030, 15856, 19820, 20848, 26060, 31712, 39640, 41696, 52120, 79280, 104240, 158560, 208480, 1291273, 2582546, 5165092, 6456365, 10330184, 12912730, 20660368, 25825460, 41320736, 51650920, 103301840, 206603680]

約数ペア:

[(1, 206603680), (2, 103301840), (4, 51650920), (5, 41320736), (8, 25825460), (10, 20660368), (16, 12912730), (20, 10330184), (32, 6456365), (40, 5165092), (80, 2582546), (160, 1291273), (991, 208480), (1303, 158560), (1982, 104240), (2606, 79280), (3964, 52120), (4955, 41696), (5212, 39640), (6515, 31712), (7928, 26060), (9910, 20848), (10424, 19820), (13030, 15856)]