26440520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21323}}^1$

素因数の和:21365

約数の個数: 32

約数和(自身を含む): 61413120

約数和(自身を除く): 34972600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21323, 42646, 85292, 106615, 170584, 213230, 426460, 661013, 852920, 1322026, 2644052, 3305065, 5288104, 6610130, 13220260, 26440520]

約数ペア:

[(1, 26440520), (2, 13220260), (4, 6610130), (5, 5288104), (8, 3305065), (10, 2644052), (20, 1322026), (31, 852920), (40, 661013), (62, 426460), (124, 213230), (155, 170584), (248, 106615), (310, 85292), (620, 42646), (1240, 21323)]