1330541420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{72077}}^1$

素因数の和:72170

約数の個数: 48

約数和(自身を含む): 3051494208

約数和(自身を除く): 1720952788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 72077, 144154, 288308, 360385, 720770, 937001, 1441540, 1874002, 3748004, 4685005, 5117467, 9370010, 10234934, 18740020, 20469868, 25587335, 51174670, 66527071, 102349340, 133054142, 266108284, 332635355, 665270710, 1330541420]

約数ペア:

[(1, 1330541420), (2, 665270710), (4, 332635355), (5, 266108284), (10, 133054142), (13, 102349340), (20, 66527071), (26, 51174670), (52, 25587335), (65, 20469868), (71, 18740020), (130, 10234934), (142, 9370010), (260, 5117467), (284, 4685005), (355, 3748004), (710, 1874002), (923, 1441540), (1420, 937001), (1846, 720770), (3692, 360385), (4615, 288308), (9230, 144154), (18460, 72077)]