20041554880

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1\times {\mathrm{1877}}^1$

素因数の和:2502

約数の個数: 112

約数和(自身を含む): 48620879136

約数和(自身を除く): 28579324256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 547, 610, 976, 1094, 1220, 1877, 1952, 2188, 2440, 2735, 3754, 3904, 4376, 4880, 5470, 7508, 8752, 9385, 9760, 10940, 15016, 17504, 18770, 19520, 21880, 30032, 33367, 35008, 37540, 43760, 60064, 66734, 75080, 87520, 114497, 120128, 133468, 150160, 166835, 175040, 228994, 266936, 300320, 333670, 457988, 533872, 572485, 600640, 667340, 915976, 1026719, 1067744, 1144970, 1334680, 1831952, 2053438, 2135488, 2289940, 2669360, 3663904, 4106876, 4579880, 5133595, 5338720, 7327808, 8213752, 9159760, 10267190, 10677440, 16427504, 18319520, 20534380, 32855008, 36639040, 41068760, 62629859, 65710016, 82137520, 125259718, 164275040, 250519436, 313149295, 328550080, 501038872, 626298590, 1002077744, 1252597180, 2004155488, 2505194360, 4008310976, 5010388720, 10020777440, 20041554880]

約数ペア:

[(1, 20041554880), (2, 10020777440), (4, 5010388720), (5, 4008310976), (8, 2505194360), (10, 2004155488), (16, 1252597180), (20, 1002077744), (32, 626298590), (40, 501038872), (61, 328550080), (64, 313149295), (80, 250519436), (122, 164275040), (160, 125259718), (244, 82137520), (305, 65710016), (320, 62629859), (488, 41068760), (547, 36639040), (610, 32855008), (976, 20534380), (1094, 18319520), (1220, 16427504), (1877, 10677440), (1952, 10267190), (2188, 9159760), (2440, 8213752), (2735, 7327808), (3754, 5338720), (3904, 5133595), (4376, 4579880), (4880, 4106876), (5470, 3663904), (7508, 2669360), (8752, 2289940), (9385, 2135488), (9760, 2053438), (10940, 1831952), (15016, 1334680), (17504, 1144970), (18770, 1067744), (19520, 1026719), (21880, 915976), (30032, 667340), (33367, 600640), (35008, 572485), (37540, 533872), (43760, 457988), (60064, 333670), (66734, 300320), (75080, 266936), (87520, 228994), (114497, 175040), (120128, 166835), (133468, 150160)]