219970040

素因数分解:

$2^3\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{2713}}^1$

素因数の和:4751

約数の個数: 32

約数和(自身を含む): 495359280

約数和(自身を除く): 275389240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2027, 2713, 4054, 5426, 8108, 10135, 10852, 13565, 16216, 20270, 21704, 27130, 40540, 54260, 81080, 108520, 5499251, 10998502, 21997004, 27496255, 43994008, 54992510, 109985020, 219970040]

約数ペア:

[(1, 219970040), (2, 109985020), (4, 54992510), (5, 43994008), (8, 27496255), (10, 21997004), (20, 10998502), (40, 5499251), (2027, 108520), (2713, 81080), (4054, 54260), (5426, 40540), (8108, 27130), (10135, 21704), (10852, 20270), (13565, 16216)]