408436735720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{785455261}}^1$

素因数の和:785455285

約数の個数: 32

約数和(自身を含む): 989673630120

約数和(自身を除く): 581236894400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 785455261, 1570910522, 3141821044, 3927276305, 6283642088, 7854552610, 10210918393, 15709105220, 20421836786, 31418210440, 40843673572, 51054591965, 81687347144, 102109183930, 204218367860, 408436735720]

約数ペア:

[(1, 408436735720), (2, 204218367860), (4, 102109183930), (5, 81687347144), (8, 51054591965), (10, 40843673572), (13, 31418210440), (20, 20421836786), (26, 15709105220), (40, 10210918393), (52, 7854552610), (65, 6283642088), (104, 3927276305), (130, 3141821044), (260, 1570910522), (520, 785455261)]