800628640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{102121}}^1$

素因数の和:102150

約数の個数: 72

約数和(自身を含む): 2200320612

約数和(自身を除く): 1399691972

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 102121, 204242, 408484, 510605, 714847, 816968, 1021210, 1429694, 1633936, 2042420, 2859388, 3267872, 3574235, 4084840, 5003929, 5718776, 7148470, 8169680, 10007858, 11437552, 14296940, 16339360, 20015716, 22875104, 25019645, 28593880, 40031432, 50039290, 57187760, 80062864, 100078580, 114375520, 160125728, 200157160, 400314320, 800628640]

約数ペア:

[(1, 800628640), (2, 400314320), (4, 200157160), (5, 160125728), (7, 114375520), (8, 100078580), (10, 80062864), (14, 57187760), (16, 50039290), (20, 40031432), (28, 28593880), (32, 25019645), (35, 22875104), (40, 20015716), (49, 16339360), (56, 14296940), (70, 11437552), (80, 10007858), (98, 8169680), (112, 7148470), (140, 5718776), (160, 5003929), (196, 4084840), (224, 3574235), (245, 3267872), (280, 2859388), (392, 2042420), (490, 1633936), (560, 1429694), (784, 1021210), (980, 816968), (1120, 714847), (1568, 510605), (1960, 408484), (3920, 204242), (7840, 102121)]