100806520

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{8209}}^1$

素因数の和:8527

約数の個数: 32

約数和(自身を含む): 227581200

約数和(自身を除く): 126774680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 8209, 12280, 16418, 32836, 41045, 65672, 82090, 164180, 328360, 2520163, 5040326, 10080652, 12600815, 20161304, 25201630, 50403260, 100806520]

約数ペア:

[(1, 100806520), (2, 50403260), (4, 25201630), (5, 20161304), (8, 12600815), (10, 10080652), (20, 5040326), (40, 2520163), (307, 328360), (614, 164180), (1228, 82090), (1535, 65672), (2456, 41045), (3070, 32836), (6140, 16418), (8209, 12280)]