445720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1013}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 1095120

約数和(自身を除く): 649400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1013, 2026, 4052, 5065, 8104, 10130, 11143, 20260, 22286, 40520, 44572, 55715, 89144, 111430, 222860, 445720]

約数ペア:

[(1, 445720), (2, 222860), (4, 111430), (5, 89144), (8, 55715), (10, 44572), (11, 40520), (20, 22286), (22, 20260), (40, 11143), (44, 10130), (55, 8104), (88, 5065), (110, 4052), (220, 2026), (440, 1013)]