2205884720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2121043}}^1$

素因数の和:2121069

約数の個数: 40

約数和(自身を含む): 5523198576

約数和(自身を除く): 3317313856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2121043, 4242086, 8484172, 10605215, 16968344, 21210430, 27573559, 33936688, 42420860, 55147118, 84841720, 110294236, 137867795, 169683440, 220588472, 275735590, 441176944, 551471180, 1102942360, 2205884720]

約数ペア:

[(1, 2205884720), (2, 1102942360), (4, 551471180), (5, 441176944), (8, 275735590), (10, 220588472), (13, 169683440), (16, 137867795), (20, 110294236), (26, 84841720), (40, 55147118), (52, 42420860), (65, 33936688), (80, 27573559), (104, 21210430), (130, 16968344), (208, 10605215), (260, 8484172), (520, 4242086), (1040, 2121043)]