15945020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8761}}^1$

素因数の和:8790

約数の個数: 48

約数和(自身を含む): 41216448

約数和(自身を除く): 25271428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8761, 17522, 35044, 43805, 61327, 87610, 113893, 122654, 175220, 227786, 245308, 306635, 455572, 569465, 613270, 797251, 1138930, 1226540, 1594502, 2277860, 3189004, 3986255, 7972510, 15945020]

約数ペア:

[(1, 15945020), (2, 7972510), (4, 3986255), (5, 3189004), (7, 2277860), (10, 1594502), (13, 1226540), (14, 1138930), (20, 797251), (26, 613270), (28, 569465), (35, 455572), (52, 306635), (65, 245308), (70, 227786), (91, 175220), (130, 122654), (140, 113893), (182, 87610), (260, 61327), (364, 43805), (455, 35044), (910, 17522), (1820, 8761)]