80980010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 82315990

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 139, 149, 170, 230, 278, 298, 391, 695, 745, 782, 1390, 1490, 1955, 2363, 2533, 3197, 3427, 3910, 4726, 5066, 6394, 6854, 11815, 12665, 15985, 17135, 20711, 23630, 25330, 31970, 34270, 41422, 54349, 58259, 103555, 108698, 116518, 207110, 271745, 291295, 352087, 476353, 543490, 582590, 704174, 952706, 1760435, 2381765, 3520870, 4763530, 8098001, 16196002, 40490005, 80980010]

約数ペア:

[(1, 80980010), (2, 40490005), (5, 16196002), (10, 8098001), (17, 4763530), (23, 3520870), (34, 2381765), (46, 1760435), (85, 952706), (115, 704174), (139, 582590), (149, 543490), (170, 476353), (230, 352087), (278, 291295), (298, 271745), (391, 207110), (695, 116518), (745, 108698), (782, 103555), (1390, 58259), (1490, 54349), (1955, 41422), (2363, 34270), (2533, 31970), (3197, 25330), (3427, 23630), (3910, 20711), (4726, 17135), (5066, 15985), (6394, 12665), (6854, 11815)]