531043760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{510619}}^1$

素因数の和:510645

約数の個数: 40

約数和(自身を含む): 1329654480

約数和(自身を除く): 798610720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 510619, 1021238, 2042476, 2553095, 4084952, 5106190, 6638047, 8169904, 10212380, 13276094, 20424760, 26552188, 33190235, 40849520, 53104376, 66380470, 106208752, 132760940, 265521880, 531043760]

約数ペア:

[(1, 531043760), (2, 265521880), (4, 132760940), (5, 106208752), (8, 66380470), (10, 53104376), (13, 40849520), (16, 33190235), (20, 26552188), (26, 20424760), (40, 13276094), (52, 10212380), (65, 8169904), (80, 6638047), (104, 5106190), (130, 4084952), (208, 2553095), (260, 2042476), (520, 1021238), (1040, 510619)]