79819720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32713}}^1$

素因数の和:32785

約数の個数: 32

約数和(自身を含む): 182544120

約数和(自身を除く): 102724400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 32713, 65426, 130852, 163565, 261704, 327130, 654260, 1308520, 1995493, 3990986, 7981972, 9977465, 15963944, 19954930, 39909860, 79819720]

約数ペア:

[(1, 79819720), (2, 39909860), (4, 19954930), (5, 15963944), (8, 9977465), (10, 7981972), (20, 3990986), (40, 1995493), (61, 1308520), (122, 654260), (244, 327130), (305, 261704), (488, 163565), (610, 130852), (1220, 65426), (2440, 32713)]