8708732380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1\times {\mathrm{5081}}^1$

素因数の和:7126

約数の個数: 48

約数和(自身を含む): 18726722784

約数和(自身を除く): 10017990404

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1993, 3986, 5081, 7972, 9965, 10162, 19930, 20324, 25405, 39860, 50810, 85699, 101620, 171398, 218483, 342796, 428495, 436966, 856990, 873932, 1092415, 1713980, 2184830, 4369660, 10126433, 20252866, 40505732, 50632165, 101264330, 202528660, 435436619, 870873238, 1741746476, 2177183095, 4354366190, 8708732380]

約数ペア:

[(1, 8708732380), (2, 4354366190), (4, 2177183095), (5, 1741746476), (10, 870873238), (20, 435436619), (43, 202528660), (86, 101264330), (172, 50632165), (215, 40505732), (430, 20252866), (860, 10126433), (1993, 4369660), (3986, 2184830), (5081, 1713980), (7972, 1092415), (9965, 873932), (10162, 856990), (19930, 436966), (20324, 428495), (25405, 342796), (39860, 218483), (50810, 171398), (85699, 101620)]