9800680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 22307400

約数和(自身を除く): 12506720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2753, 3560, 5506, 11012, 13765, 22024, 27530, 55060, 110120, 245017, 490034, 980068, 1225085, 1960136, 2450170, 4900340, 9800680]

約数ペア:

[(1, 9800680), (2, 4900340), (4, 2450170), (5, 1960136), (8, 1225085), (10, 980068), (20, 490034), (40, 245017), (89, 110120), (178, 55060), (356, 27530), (445, 22024), (712, 13765), (890, 11012), (1780, 5506), (2753, 3560)]