16079980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 38820096

約数和(自身を除く): 22740116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 347, 662, 694, 1324, 1388, 1655, 1735, 2317, 2429, 3310, 3470, 4634, 4858, 6620, 6940, 9268, 9716, 11585, 12145, 23170, 24290, 46340, 48580, 114857, 229714, 459428, 574285, 803999, 1148570, 1607998, 2297140, 3215996, 4019995, 8039990, 16079980]

約数ペア:

[(1, 16079980), (2, 8039990), (4, 4019995), (5, 3215996), (7, 2297140), (10, 1607998), (14, 1148570), (20, 803999), (28, 574285), (35, 459428), (70, 229714), (140, 114857), (331, 48580), (347, 46340), (662, 24290), (694, 23170), (1324, 12145), (1388, 11585), (1655, 9716), (1735, 9268), (2317, 6940), (2429, 6620), (3310, 4858), (3470, 4634)]