768560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 1926960

約数和(自身を除く): 1158400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 739, 1040, 1478, 2956, 3695, 5912, 7390, 9607, 11824, 14780, 19214, 29560, 38428, 48035, 59120, 76856, 96070, 153712, 192140, 384280, 768560]

約数ペア:

[(1, 768560), (2, 384280), (4, 192140), (5, 153712), (8, 96070), (10, 76856), (13, 59120), (16, 48035), (20, 38428), (26, 29560), (40, 19214), (52, 14780), (65, 11824), (80, 9607), (104, 7390), (130, 5912), (208, 3695), (260, 2956), (520, 1478), (739, 1040)]