89089840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22727}}^1$

素因数の和:22754

約数の個数: 60

約数和(自身を含む): 240962256

約数和(自身を除く): 151872416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 22727, 45454, 90908, 113635, 159089, 181816, 227270, 318178, 363632, 454540, 636356, 795445, 909080, 1113623, 1272712, 1590890, 1818160, 2227246, 2545424, 3181780, 4454492, 5568115, 6363560, 8908984, 11136230, 12727120, 17817968, 22272460, 44544920, 89089840]

約数ペア:

[(1, 89089840), (2, 44544920), (4, 22272460), (5, 17817968), (7, 12727120), (8, 11136230), (10, 8908984), (14, 6363560), (16, 5568115), (20, 4454492), (28, 3181780), (35, 2545424), (40, 2227246), (49, 1818160), (56, 1590890), (70, 1272712), (80, 1113623), (98, 909080), (112, 795445), (140, 636356), (196, 454540), (245, 363632), (280, 318178), (392, 227270), (490, 181816), (560, 159089), (784, 113635), (980, 90908), (1960, 45454), (3920, 22727)]