9989720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19211}}^1$

素因数の和:19235

約数の個数: 32

約数和(自身を含む): 24207120

約数和(自身を除く): 14217400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 19211, 38422, 76844, 96055, 153688, 192110, 249743, 384220, 499486, 768440, 998972, 1248715, 1997944, 2497430, 4994860, 9989720]

約数ペア:

[(1, 9989720), (2, 4994860), (4, 2497430), (5, 1997944), (8, 1248715), (10, 998972), (13, 768440), (20, 499486), (26, 384220), (40, 249743), (52, 192110), (65, 153688), (104, 96055), (130, 76844), (260, 38422), (520, 19211)]