4084640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{521}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 11247012

約数和(自身を除く): 7162372

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, 521, 560, 784, 980, 1042, 1120, 1568, 1960, 2084, 2605, 3647, 3920, 4168, 5210, 7294, 7840, 8336, 10420, 14588, 16672, 18235, 20840, 25529, 29176, 36470, 41680, 51058, 58352, 72940, 83360, 102116, 116704, 127645, 145880, 204232, 255290, 291760, 408464, 510580, 583520, 816928, 1021160, 2042320, 4084640]

約数ペア:

[(1, 4084640), (2, 2042320), (4, 1021160), (5, 816928), (7, 583520), (8, 510580), (10, 408464), (14, 291760), (16, 255290), (20, 204232), (28, 145880), (32, 127645), (35, 116704), (40, 102116), (49, 83360), (56, 72940), (70, 58352), (80, 51058), (98, 41680), (112, 36470), (140, 29176), (160, 25529), (196, 20840), (224, 18235), (245, 16672), (280, 14588), (392, 10420), (490, 8336), (521, 7840), (560, 7294), (784, 5210), (980, 4168), (1042, 3920), (1120, 3647), (1568, 2605), (1960, 2084)]