16513840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 45122112

約数和(自身を除く): 28608272

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, 797, 1036, 1295, 1480, 1594, 2072, 2590, 2960, 3188, 3985, 4144, 5180, 5579, 6376, 7970, 10360, 11158, 12752, 15940, 20720, 22316, 27895, 29489, 31880, 44632, 55790, 58978, 63760, 89264, 111580, 117956, 147445, 206423, 223160, 235912, 294890, 412846, 446320, 471824, 589780, 825692, 1032115, 1179560, 1651384, 2064230, 2359120, 3302768, 4128460, 8256920, 16513840]

約数ペア:

[(1, 16513840), (2, 8256920), (4, 4128460), (5, 3302768), (7, 2359120), (8, 2064230), (10, 1651384), (14, 1179560), (16, 1032115), (20, 825692), (28, 589780), (35, 471824), (37, 446320), (40, 412846), (56, 294890), (70, 235912), (74, 223160), (80, 206423), (112, 147445), (140, 117956), (148, 111580), (185, 89264), (259, 63760), (280, 58978), (296, 55790), (370, 44632), (518, 31880), (560, 29489), (592, 27895), (740, 22316), (797, 20720), (1036, 15940), (1295, 12752), (1480, 11158), (1594, 10360), (2072, 7970), (2590, 6376), (2960, 5579), (3188, 5180), (3985, 4144)]