19631569360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{61487}}^1$

素因数の和:61820

約数の個数: 80

約数和(自身を含む): 49315343616

約数和(自身を除く): 29683774256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 307, 520, 614, 1040, 1228, 1535, 2456, 3070, 3991, 4912, 6140, 7982, 12280, 15964, 19955, 24560, 31928, 39910, 61487, 63856, 79820, 122974, 159640, 245948, 307435, 319280, 491896, 614870, 799331, 983792, 1229740, 1598662, 2459480, 3197324, 3996655, 4918960, 6394648, 7993310, 12789296, 15986620, 18876509, 31973240, 37753018, 63946480, 75506036, 94382545, 151012072, 188765090, 245394617, 302024144, 377530180, 490789234, 755060360, 981578468, 1226973085, 1510120720, 1963156936, 2453946170, 3926313872, 4907892340, 9815784680, 19631569360]

約数ペア:

[(1, 19631569360), (2, 9815784680), (4, 4907892340), (5, 3926313872), (8, 2453946170), (10, 1963156936), (13, 1510120720), (16, 1226973085), (20, 981578468), (26, 755060360), (40, 490789234), (52, 377530180), (65, 302024144), (80, 245394617), (104, 188765090), (130, 151012072), (208, 94382545), (260, 75506036), (307, 63946480), (520, 37753018), (614, 31973240), (1040, 18876509), (1228, 15986620), (1535, 12789296), (2456, 7993310), (3070, 6394648), (3991, 4918960), (4912, 3996655), (6140, 3197324), (7982, 2459480), (12280, 1598662), (15964, 1229740), (19955, 983792), (24560, 799331), (31928, 614870), (39910, 491896), (61487, 319280), (63856, 307435), (79820, 245948), (122974, 159640)]