20174119760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{67481}}^1$

素因数の和:67632

約数の個数: 80

約数和(自身を含む): 48650203152

約数和(自身を除く): 28476083392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 101, 148, 185, 202, 296, 370, 404, 505, 592, 740, 808, 1010, 1480, 1616, 2020, 2960, 3737, 4040, 7474, 8080, 14948, 18685, 29896, 37370, 59792, 67481, 74740, 134962, 149480, 269924, 298960, 337405, 539848, 674810, 1079696, 1349620, 2496797, 2699240, 4993594, 5398480, 6815581, 9987188, 12483985, 13631162, 19974376, 24967970, 27262324, 34077905, 39948752, 49935940, 54524648, 68155810, 99871880, 109049296, 136311620, 199743760, 252176497, 272623240, 504352994, 545246480, 1008705988, 1260882485, 2017411976, 2521764970, 4034823952, 5043529940, 10087059880, 20174119760]

約数ペア:

[(1, 20174119760), (2, 10087059880), (4, 5043529940), (5, 4034823952), (8, 2521764970), (10, 2017411976), (16, 1260882485), (20, 1008705988), (37, 545246480), (40, 504352994), (74, 272623240), (80, 252176497), (101, 199743760), (148, 136311620), (185, 109049296), (202, 99871880), (296, 68155810), (370, 54524648), (404, 49935940), (505, 39948752), (592, 34077905), (740, 27262324), (808, 24967970), (1010, 19974376), (1480, 13631162), (1616, 12483985), (2020, 9987188), (2960, 6815581), (3737, 5398480), (4040, 4993594), (7474, 2699240), (8080, 2496797), (14948, 1349620), (18685, 1079696), (29896, 674810), (37370, 539848), (59792, 337405), (67481, 298960), (74740, 269924), (134962, 149480)]