655160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 1609200

約数和(自身を除く): 954040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1489, 2978, 5956, 7445, 11912, 14890, 16379, 29780, 32758, 59560, 65516, 81895, 131032, 163790, 327580, 655160]

約数ペア:

[(1, 655160), (2, 327580), (4, 163790), (5, 131032), (8, 81895), (10, 65516), (11, 59560), (20, 32758), (22, 29780), (40, 16379), (44, 14890), (55, 11912), (88, 7445), (110, 5956), (220, 2978), (440, 1489)]