837538780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103913}}^1$

素因数の和:103966

約数の個数: 48

約数和(自身を含む): 1955245824

約数和(自身を除く): 1117707044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 103913, 207826, 415652, 519565, 1039130, 1350869, 2078260, 2701738, 3221303, 5403476, 6442606, 6754345, 12885212, 13508690, 16106515, 27017380, 32213030, 41876939, 64426060, 83753878, 167507756, 209384695, 418769390, 837538780]

約数ペア:

[(1, 837538780), (2, 418769390), (4, 209384695), (5, 167507756), (10, 83753878), (13, 64426060), (20, 41876939), (26, 32213030), (31, 27017380), (52, 16106515), (62, 13508690), (65, 12885212), (124, 6754345), (130, 6442606), (155, 5403476), (260, 3221303), (310, 2701738), (403, 2078260), (620, 1350869), (806, 1039130), (1612, 519565), (2015, 415652), (4030, 207826), (8060, 103913)]