404080240

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{26171}}^1$

素因数の和:26377

約数の個数: 40

約数和(自身を含む): 944390448

約数和(自身を除く): 540310208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 26171, 52342, 104684, 130855, 209368, 261710, 418736, 523420, 1046840, 2093680, 5051003, 10102006, 20204012, 25255015, 40408024, 50510030, 80816048, 101020060, 202040120, 404080240]

約数ペア:

[(1, 404080240), (2, 202040120), (4, 101020060), (5, 80816048), (8, 50510030), (10, 40408024), (16, 25255015), (20, 20204012), (40, 10102006), (80, 5051003), (193, 2093680), (386, 1046840), (772, 523420), (965, 418736), (1544, 261710), (1930, 209368), (3088, 130855), (3860, 104684), (7720, 52342), (15440, 26171)]