1315422.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15791}}^1$

素因数の和:15883

約数の個数: 40

約数和(自身を含む): 234984960

約数和(自身を除く): 135185840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 15791, 31582, 63164, 78955, 126328, 157910, 252656, 315820, 631640, 1247489, 1263280, 2494978, 4989956, 6237445, 9979912, 12474890, 19959824, 24949780, 49899560, 99799120]

約数ペア:

[(1, 99799120), (2, 49899560), (4, 24949780), (5, 19959824), (8, 12474890), (10, 9979912), (16, 6237445), (20, 4989956), (40, 2494978), (79, 1263280), (80, 1247489), (158, 631640), (316, 315820), (395, 252656), (632, 157910), (790, 126328), (1264, 78955), (1580, 63164), (3160, 31582), (6320, 15791)]