220199680

素因数分解:

$2^8\times 5^1\times {\mathrm{172031}}^1$

素因数の和:172052

約数の個数: 36

約数和(自身を含む): 527450112

約数和(自身を除く): 307250432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 172031, 344062, 688124, 860155, 1376248, 1720310, 2752496, 3440620, 5504992, 6881240, 11009984, 13762480, 22019968, 27524960, 44039936, 55049920, 110099840, 220199680]

約数ペア:

[(1, 220199680), (2, 110099840), (4, 55049920), (5, 44039936), (8, 27524960), (10, 22019968), (16, 13762480), (20, 11009984), (32, 6881240), (40, 5504992), (64, 3440620), (80, 2752496), (128, 1720310), (160, 1376248), (256, 860155), (320, 688124), (640, 344062), (1280, 172031)]