2011296550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{787}}^1$

素因数の和:1525

約数の個数: 48

約数和(自身を含む): 3799042560

約数和(自身を除く): 1787746010

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 647, 787, 790, 1294, 1574, 1975, 3235, 3935, 3950, 6470, 7870, 16175, 19675, 32350, 39350, 51113, 62173, 102226, 124346, 255565, 310865, 509189, 511130, 621730, 1018378, 1277825, 1554325, 2545945, 2555650, 3108650, 5091890, 12729725, 25459450, 40225931, 80451862, 201129655, 402259310, 1005648275, 2011296550]

約数ペア:

[(1, 2011296550), (2, 1005648275), (5, 402259310), (10, 201129655), (25, 80451862), (50, 40225931), (79, 25459450), (158, 12729725), (395, 5091890), (647, 3108650), (787, 2555650), (790, 2545945), (1294, 1554325), (1574, 1277825), (1975, 1018378), (3235, 621730), (3935, 511130), (3950, 509189), (6470, 310865), (7870, 255565), (16175, 124346), (19675, 102226), (32350, 62173), (39350, 51113)]