45421720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11243}}^1$

素因数の和:11355

約数の個数: 32

約数和(自身を含む): 103219920

約数和(自身を除く): 57798200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 11243, 22486, 44972, 56215, 89944, 112430, 224860, 449720, 1135543, 2271086, 4542172, 5677715, 9084344, 11355430, 22710860, 45421720]

約数ペア:

[(1, 45421720), (2, 22710860), (4, 11355430), (5, 9084344), (8, 5677715), (10, 4542172), (20, 2271086), (40, 1135543), (101, 449720), (202, 224860), (404, 112430), (505, 89944), (808, 56215), (1010, 44972), (2020, 22486), (4040, 11243)]