28565567960

素因数分解:

$2^3\times 5^1\times {\mathrm{22273}}^1\times {\mathrm{32063}}^1$

素因数の和:54347

約数の個数: 32

約数和(自身を含む): 64277418240

約数和(自身を除く): 35711850280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22273, 32063, 44546, 64126, 89092, 111365, 128252, 160315, 178184, 222730, 256504, 320630, 445460, 641260, 890920, 1282520, 714139199, 1428278398, 2856556796, 3570695995, 5713113592, 7141391990, 14282783980, 28565567960]

約数ペア:

[(1, 28565567960), (2, 14282783980), (4, 7141391990), (5, 5713113592), (8, 3570695995), (10, 2856556796), (20, 1428278398), (40, 714139199), (22273, 1282520), (32063, 890920), (44546, 641260), (64126, 445460), (89092, 320630), (111365, 256504), (128252, 222730), (160315, 178184)]