7767280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 18302400

約数和(自身を除く): 10535120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1229, 1264, 1580, 2458, 3160, 4916, 6145, 6320, 9832, 12290, 19664, 24580, 49160, 97091, 98320, 194182, 388364, 485455, 776728, 970910, 1553456, 1941820, 3883640, 7767280]

約数ペア:

[(1, 7767280), (2, 3883640), (4, 1941820), (5, 1553456), (8, 970910), (10, 776728), (16, 485455), (20, 388364), (40, 194182), (79, 98320), (80, 97091), (158, 49160), (316, 24580), (395, 19664), (632, 12290), (790, 9832), (1229, 6320), (1264, 6145), (1580, 4916), (2458, 3160)]