145196680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{68489}}^1$

素因数の和:68553

約数の個数: 32

約数和(自身を含む): 332861400

約数和(自身を除く): 187664720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 68489, 136978, 273956, 342445, 547912, 684890, 1369780, 2739560, 3629917, 7259834, 14519668, 18149585, 29039336, 36299170, 72598340, 145196680]

約数ペア:

[(1, 145196680), (2, 72598340), (4, 36299170), (5, 29039336), (8, 18149585), (10, 14519668), (20, 7259834), (40, 3629917), (53, 2739560), (106, 1369780), (212, 684890), (265, 547912), (424, 342445), (530, 273956), (1060, 136978), (2120, 68489)]