20170188400

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{7841}}^1$

素因数の和:8027

約数の個数: 120

約数和(自身を含む): 49738669200

約数和(自身を除く): 29568480800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 109, 118, 200, 218, 236, 295, 400, 436, 472, 545, 590, 872, 944, 1090, 1180, 1475, 1744, 2180, 2360, 2725, 2950, 4360, 4720, 5450, 5900, 6431, 7841, 8720, 10900, 11800, 12862, 15682, 21800, 23600, 25724, 31364, 32155, 39205, 43600, 51448, 62728, 64310, 78410, 102896, 125456, 128620, 156820, 160775, 196025, 257240, 313640, 321550, 392050, 462619, 514480, 627280, 643100, 784100, 854669, 925238, 1286200, 1568200, 1709338, 1850476, 2313095, 2572400, 3136400, 3418676, 3700952, 4273345, 4626190, 6837352, 7401904, 8546690, 9252380, 11565475, 13674704, 17093380, 18504760, 21366725, 23130950, 34186760, 37009520, 42733450, 46261900, 50425471, 68373520, 85466900, 92523800, 100850942, 170933800, 185047600, 201701884, 252127355, 341867600, 403403768, 504254710, 806807536, 1008509420, 1260636775, 2017018840, 2521273550, 4034037680, 5042547100, 10085094200, 20170188400]

約数ペア:

[(1, 20170188400), (2, 10085094200), (4, 5042547100), (5, 4034037680), (8, 2521273550), (10, 2017018840), (16, 1260636775), (20, 1008509420), (25, 806807536), (40, 504254710), (50, 403403768), (59, 341867600), (80, 252127355), (100, 201701884), (109, 185047600), (118, 170933800), (200, 100850942), (218, 92523800), (236, 85466900), (295, 68373520), (400, 50425471), (436, 46261900), (472, 42733450), (545, 37009520), (590, 34186760), (872, 23130950), (944, 21366725), (1090, 18504760), (1180, 17093380), (1475, 13674704), (1744, 11565475), (2180, 9252380), (2360, 8546690), (2725, 7401904), (2950, 6837352), (4360, 4626190), (4720, 4273345), (5450, 3700952), (5900, 3418676), (6431, 3136400), (7841, 2572400), (8720, 2313095), (10900, 1850476), (11800, 1709338), (12862, 1568200), (15682, 1286200), (21800, 925238), (23600, 854669), (25724, 784100), (31364, 643100), (32155, 627280), (39205, 514480), (43600, 462619), (51448, 392050), (62728, 321550), (64310, 313640), (78410, 257240), (102896, 196025), (125456, 160775), (128620, 156820)]