20347788400

素因数分解:

$2^4\times 5^2\times {\mathrm{50869471}}^1$

素因数の和:50869489

約数の個数: 30

約数和(自身を含む): 48885562592

約数和(自身を除く): 28537774192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50869471, 101738942, 203477884, 254347355, 406955768, 508694710, 813911536, 1017389420, 1271736775, 2034778840, 2543473550, 4069557680, 5086947100, 10173894200, 20347788400]

約数ペア:

[(1, 20347788400), (2, 10173894200), (4, 5086947100), (5, 4069557680), (8, 2543473550), (10, 2034778840), (16, 1271736775), (20, 1017389420), (25, 813911536), (40, 508694710), (50, 406955768), (80, 254347355), (100, 203477884), (200, 101738942), (400, 50869471)]