1330360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 3038400

約数和(自身を除く): 1708040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 421, 632, 790, 842, 1580, 1684, 2105, 3160, 3368, 4210, 8420, 16840, 33259, 66518, 133036, 166295, 266072, 332590, 665180, 1330360]

約数ペア:

[(1, 1330360), (2, 665180), (4, 332590), (5, 266072), (8, 166295), (10, 133036), (20, 66518), (40, 33259), (79, 16840), (158, 8420), (316, 4210), (395, 3368), (421, 3160), (632, 2105), (790, 1684), (842, 1580)]