201805040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81373}}^1$

素因数の和:81417

約数の個数: 40

約数和(自身を含む): 484338048

約数和(自身を除く): 282533008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81373, 162746, 325492, 406865, 650984, 813730, 1301968, 1627460, 2522563, 3254920, 5045126, 6509840, 10090252, 12612815, 20180504, 25225630, 40361008, 50451260, 100902520, 201805040]

約数ペア:

[(1, 201805040), (2, 100902520), (4, 50451260), (5, 40361008), (8, 25225630), (10, 20180504), (16, 12612815), (20, 10090252), (31, 6509840), (40, 5045126), (62, 3254920), (80, 2522563), (124, 1627460), (155, 1301968), (248, 813730), (310, 650984), (496, 406865), (620, 325492), (1240, 162746), (2480, 81373)]