8654865680

素因数分解:

$2^4\times 5^1\times {\mathrm{8731}}^1\times {\mathrm{12391}}^1$

素因数の和:21135

約数の個数: 40

約数和(自身を含む): 20126491584

約数和(自身を除く): 11471625904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8731, 12391, 17462, 24782, 34924, 43655, 49564, 61955, 69848, 87310, 99128, 123910, 139696, 174620, 198256, 247820, 349240, 495640, 698480, 991280, 108185821, 216371642, 432743284, 540929105, 865486568, 1081858210, 1730973136, 2163716420, 4327432840, 8654865680]

約数ペア:

[(1, 8654865680), (2, 4327432840), (4, 2163716420), (5, 1730973136), (8, 1081858210), (10, 865486568), (16, 540929105), (20, 432743284), (40, 216371642), (80, 108185821), (8731, 991280), (12391, 698480), (17462, 495640), (24782, 349240), (34924, 247820), (43655, 198256), (49564, 174620), (61955, 139696), (69848, 123910), (87310, 99128)]