1629996880

素因数分解:

$2^4\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{15661}}^1$

素因数の和:16975

約数の個数: 40

約数和(自身を含む): 3792897864

約数和(自身を除く): 2162900984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1301, 2602, 5204, 6505, 10408, 13010, 15661, 20816, 26020, 31322, 52040, 62644, 78305, 104080, 125288, 156610, 250576, 313220, 626440, 1252880, 20374961, 40749922, 81499844, 101874805, 162999688, 203749610, 325999376, 407499220, 814998440, 1629996880]

約数ペア:

[(1, 1629996880), (2, 814998440), (4, 407499220), (5, 325999376), (8, 203749610), (10, 162999688), (16, 101874805), (20, 81499844), (40, 40749922), (80, 20374961), (1301, 1252880), (2602, 626440), (5204, 313220), (6505, 250576), (10408, 156610), (13010, 125288), (15661, 104080), (20816, 78305), (26020, 62644), (31322, 52040)]