2018216560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{813797}}^1$

素因数の和:813841

約数の個数: 40

約数和(自身を含む): 4843725696

約数和(自身を除く): 2825509136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 813797, 1627594, 3255188, 4068985, 6510376, 8137970, 13020752, 16275940, 25227707, 32551880, 50455414, 65103760, 100910828, 126138535, 201821656, 252277070, 403643312, 504554140, 1009108280, 2018216560]

約数ペア:

[(1, 2018216560), (2, 1009108280), (4, 504554140), (5, 403643312), (8, 252277070), (10, 201821656), (16, 126138535), (20, 100910828), (31, 65103760), (40, 50455414), (62, 32551880), (80, 25227707), (124, 16275940), (155, 13020752), (248, 8137970), (310, 6510376), (496, 4068985), (620, 3255188), (1240, 1627594), (2480, 813797)]