2008313920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{457}}^1$

素因数の和:948

約数の個数: 112

約数和(自身を含む): 4958535168

約数和(自身を除く): 2950221248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 443, 457, 496, 620, 886, 914, 992, 1240, 1772, 1828, 1984, 2215, 2285, 2480, 3544, 3656, 4430, 4570, 4960, 7088, 7312, 8860, 9140, 9920, 13733, 14167, 14176, 14624, 17720, 18280, 27466, 28334, 28352, 29248, 35440, 36560, 54932, 56668, 68665, 70835, 70880, 73120, 109864, 113336, 137330, 141670, 141760, 146240, 202451, 219728, 226672, 274660, 283340, 404902, 439456, 453344, 549320, 566680, 809804, 878912, 906688, 1012255, 1098640, 1133360, 1619608, 2024510, 2197280, 2266720, 3239216, 4049020, 4394560, 4533440, 6275981, 6478432, 8098040, 12551962, 12956864, 16196080, 25103924, 31379905, 32392160, 50207848, 62759810, 64784320, 100415696, 125519620, 200831392, 251039240, 401662784, 502078480, 1004156960, 2008313920]

約数ペア:

[(1, 2008313920), (2, 1004156960), (4, 502078480), (5, 401662784), (8, 251039240), (10, 200831392), (16, 125519620), (20, 100415696), (31, 64784320), (32, 62759810), (40, 50207848), (62, 32392160), (64, 31379905), (80, 25103924), (124, 16196080), (155, 12956864), (160, 12551962), (248, 8098040), (310, 6478432), (320, 6275981), (443, 4533440), (457, 4394560), (496, 4049020), (620, 3239216), (886, 2266720), (914, 2197280), (992, 2024510), (1240, 1619608), (1772, 1133360), (1828, 1098640), (1984, 1012255), (2215, 906688), (2285, 878912), (2480, 809804), (3544, 566680), (3656, 549320), (4430, 453344), (4570, 439456), (4960, 404902), (7088, 283340), (7312, 274660), (8860, 226672), (9140, 219728), (9920, 202451), (13733, 146240), (14167, 141760), (14176, 141670), (14624, 137330), (17720, 113336), (18280, 109864), (27466, 73120), (28334, 70880), (28352, 70835), (29248, 68665), (35440, 56668), (36560, 54932)]