10910020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 25292736

約数和(自身を除く): 14382716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 491, 505, 982, 1010, 1111, 1964, 2020, 2222, 2455, 4444, 4910, 5401, 5555, 9820, 10802, 11110, 21604, 22220, 27005, 49591, 54010, 99182, 108020, 198364, 247955, 495910, 545501, 991820, 1091002, 2182004, 2727505, 5455010, 10910020]

約数ペア:

[(1, 10910020), (2, 5455010), (4, 2727505), (5, 2182004), (10, 1091002), (11, 991820), (20, 545501), (22, 495910), (44, 247955), (55, 198364), (101, 108020), (110, 99182), (202, 54010), (220, 49591), (404, 27005), (491, 22220), (505, 21604), (982, 11110), (1010, 10802), (1111, 9820), (1964, 5555), (2020, 5401), (2222, 4910), (2455, 4444)]