202259720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388961}}^1$

素因数の和:388985

約数の個数: 32

約数和(自身を含む): 490092120

約数和(自身を除く): 287832400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388961, 777922, 1555844, 1944805, 3111688, 3889610, 5056493, 7779220, 10112986, 15558440, 20225972, 25282465, 40451944, 50564930, 101129860, 202259720]

約数ペア:

[(1, 202259720), (2, 101129860), (4, 50564930), (5, 40451944), (8, 25282465), (10, 20225972), (13, 15558440), (20, 10112986), (26, 7779220), (40, 5056493), (52, 3889610), (65, 3111688), (104, 1944805), (130, 1555844), (260, 777922), (520, 388961)]