81012400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28933}}^1$

素因数の和:28958

約数の個数: 60

約数和(自身を含む): 222444592

約数和(自身を除く): 141432192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28933, 57866, 115732, 144665, 202531, 231464, 289330, 405062, 462928, 578660, 723325, 810124, 1012655, 1157320, 1446650, 1620248, 2025310, 2314640, 2893300, 3240496, 4050620, 5063275, 5786600, 8101240, 10126550, 11573200, 16202480, 20253100, 40506200, 81012400]

約数ペア:

[(1, 81012400), (2, 40506200), (4, 20253100), (5, 16202480), (7, 11573200), (8, 10126550), (10, 8101240), (14, 5786600), (16, 5063275), (20, 4050620), (25, 3240496), (28, 2893300), (35, 2314640), (40, 2025310), (50, 1620248), (56, 1446650), (70, 1157320), (80, 1012655), (100, 810124), (112, 723325), (140, 578660), (175, 462928), (200, 405062), (280, 289330), (350, 231464), (400, 202531), (560, 144665), (700, 115732), (1400, 57866), (2800, 28933)]