80331440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3877}}^1$

素因数の和:3934

約数の個数: 80

約数和(自身を含む): 219277632

約数和(自身を除く): 138946192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 3877, 4144, 5180, 7754, 10360, 15508, 19385, 20720, 27139, 31016, 38770, 54278, 62032, 77540, 108556, 135695, 143449, 155080, 217112, 271390, 286898, 310160, 434224, 542780, 573796, 717245, 1004143, 1085560, 1147592, 1434490, 2008286, 2171120, 2295184, 2868980, 4016572, 5020715, 5737960, 8033144, 10041430, 11475920, 16066288, 20082860, 40165720, 80331440]

約数ペア:

[(1, 80331440), (2, 40165720), (4, 20082860), (5, 16066288), (7, 11475920), (8, 10041430), (10, 8033144), (14, 5737960), (16, 5020715), (20, 4016572), (28, 2868980), (35, 2295184), (37, 2171120), (40, 2008286), (56, 1434490), (70, 1147592), (74, 1085560), (80, 1004143), (112, 717245), (140, 573796), (148, 542780), (185, 434224), (259, 310160), (280, 286898), (296, 271390), (370, 217112), (518, 155080), (560, 143449), (592, 135695), (740, 108556), (1036, 77540), (1295, 62032), (1480, 54278), (2072, 38770), (2590, 31016), (2960, 27139), (3877, 20720), (4144, 19385), (5180, 15508), (7754, 10360)]