180700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 425320

約数和(自身を除く): 244620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 139, 260, 278, 325, 556, 650, 695, 1300, 1390, 1807, 2780, 3475, 3614, 6950, 7228, 9035, 13900, 18070, 36140, 45175, 90350, 180700]

約数ペア:

[(1, 180700), (2, 90350), (4, 45175), (5, 36140), (10, 18070), (13, 13900), (20, 9035), (25, 7228), (26, 6950), (50, 3614), (52, 3475), (65, 2780), (100, 1807), (130, 1390), (139, 1300), (260, 695), (278, 650), (325, 556)]