30981680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7307}}^1$

素因数の和:7373

約数の個数: 40

約数和(自身を含む): 73401552

約数和(自身を除く): 42419872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 7307, 14614, 29228, 36535, 58456, 73070, 116912, 146140, 292280, 387271, 584560, 774542, 1549084, 1936355, 3098168, 3872710, 6196336, 7745420, 15490840, 30981680]

約数ペア:

[(1, 30981680), (2, 15490840), (4, 7745420), (5, 6196336), (8, 3872710), (10, 3098168), (16, 1936355), (20, 1549084), (40, 774542), (53, 584560), (80, 387271), (106, 292280), (212, 146140), (265, 116912), (424, 73070), (530, 58456), (848, 36535), (1060, 29228), (2120, 14614), (4240, 7307)]