19601360

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2855

約数の個数: 40

約数和(自身を含む): 46101960

約数和(自身を除く): 26500600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2753, 3560, 5506, 7120, 11012, 13765, 22024, 27530, 44048, 55060, 110120, 220240, 245017, 490034, 980068, 1225085, 1960136, 2450170, 3920272, 4900340, 9800680, 19601360]

約数ペア:

[(1, 19601360), (2, 9800680), (4, 4900340), (5, 3920272), (8, 2450170), (10, 1960136), (16, 1225085), (20, 980068), (40, 490034), (80, 245017), (89, 220240), (178, 110120), (356, 55060), (445, 44048), (712, 27530), (890, 22024), (1424, 13765), (1780, 11012), (2753, 7120), (3560, 5506)]