2251720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 5193720

約数和(自身を除く): 2942000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1373, 1640, 2746, 5492, 6865, 10984, 13730, 27460, 54920, 56293, 112586, 225172, 281465, 450344, 562930, 1125860, 2251720]

約数ペア:

[(1, 2251720), (2, 1125860), (4, 562930), (5, 450344), (8, 281465), (10, 225172), (20, 112586), (40, 56293), (41, 54920), (82, 27460), (164, 13730), (205, 10984), (328, 6865), (410, 5492), (820, 2746), (1373, 1640)]