20125635520

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{3331}}^1$

素因数の和:3666

約数の個数: 112

約数和(自身を含む): 48748492800

約数和(自身を除く): 28622857280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 239, 316, 320, 395, 478, 632, 790, 956, 1195, 1264, 1580, 1912, 2390, 2528, 3160, 3331, 3824, 4780, 5056, 6320, 6662, 7648, 9560, 12640, 13324, 15296, 16655, 18881, 19120, 25280, 26648, 33310, 37762, 38240, 53296, 66620, 75524, 76480, 94405, 106592, 133240, 151048, 188810, 213184, 263149, 266480, 302096, 377620, 526298, 532960, 604192, 755240, 796109, 1052596, 1065920, 1208384, 1315745, 1510480, 1592218, 2105192, 2631490, 3020960, 3184436, 3980545, 4210384, 5262980, 6041920, 6368872, 7961090, 8420768, 10525960, 12737744, 15922180, 16841536, 21051920, 25475488, 31844360, 42103840, 50950976, 62892611, 63688720, 84207680, 125785222, 127377440, 251570444, 254754880, 314463055, 503140888, 628926110, 1006281776, 1257852220, 2012563552, 2515704440, 4025127104, 5031408880, 10062817760, 20125635520]

約数ペア:

[(1, 20125635520), (2, 10062817760), (4, 5031408880), (5, 4025127104), (8, 2515704440), (10, 2012563552), (16, 1257852220), (20, 1006281776), (32, 628926110), (40, 503140888), (64, 314463055), (79, 254754880), (80, 251570444), (158, 127377440), (160, 125785222), (239, 84207680), (316, 63688720), (320, 62892611), (395, 50950976), (478, 42103840), (632, 31844360), (790, 25475488), (956, 21051920), (1195, 16841536), (1264, 15922180), (1580, 12737744), (1912, 10525960), (2390, 8420768), (2528, 7961090), (3160, 6368872), (3331, 6041920), (3824, 5262980), (4780, 4210384), (5056, 3980545), (6320, 3184436), (6662, 3020960), (7648, 2631490), (9560, 2105192), (12640, 1592218), (13324, 1510480), (15296, 1315745), (16655, 1208384), (18881, 1065920), (19120, 1052596), (25280, 796109), (26648, 755240), (33310, 604192), (37762, 532960), (38240, 526298), (53296, 377620), (66620, 302096), (75524, 266480), (76480, 263149), (94405, 213184), (106592, 188810), (133240, 151048)]