38622920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 99878400

約数和(自身を除く): 61255480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 509, 542, 1018, 1084, 1355, 1897, 2036, 2168, 2545, 2710, 3563, 3794, 4072, 5090, 5420, 7126, 7588, 9485, 10180, 10840, 14252, 15176, 17815, 18970, 20360, 28504, 35630, 37940, 71260, 75880, 137939, 142520, 275878, 551756, 689695, 965573, 1103512, 1379390, 1931146, 2758780, 3862292, 4827865, 5517560, 7724584, 9655730, 19311460, 38622920]

約数ペア:

[(1, 38622920), (2, 19311460), (4, 9655730), (5, 7724584), (7, 5517560), (8, 4827865), (10, 3862292), (14, 2758780), (20, 1931146), (28, 1379390), (35, 1103512), (40, 965573), (56, 689695), (70, 551756), (140, 275878), (271, 142520), (280, 137939), (509, 75880), (542, 71260), (1018, 37940), (1084, 35630), (1355, 28504), (1897, 20360), (2036, 18970), (2168, 17815), (2545, 15176), (2710, 14252), (3563, 10840), (3794, 10180), (4072, 9485), (5090, 7588), (5420, 7126)]