1645540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6329}}^1$

素因数の和:6351

約数の個数: 24

約数和(自身を含む): 3722040

約数和(自身を除く): 2076500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6329, 12658, 25316, 31645, 63290, 82277, 126580, 164554, 329108, 411385, 822770, 1645540]

約数ペア:

[(1, 1645540), (2, 822770), (4, 411385), (5, 329108), (10, 164554), (13, 126580), (20, 82277), (26, 63290), (52, 31645), (65, 25316), (130, 12658), (260, 6329)]