89149720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{202613}}^1$

素因数の和:202635

約数の個数: 32

約数和(自身を含む): 218823120

約数和(自身を除く): 129673400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 202613, 405226, 810452, 1013065, 1620904, 2026130, 2228743, 4052260, 4457486, 8104520, 8914972, 11143715, 17829944, 22287430, 44574860, 89149720]

約数ペア:

[(1, 89149720), (2, 44574860), (4, 22287430), (5, 17829944), (8, 11143715), (10, 8914972), (11, 8104520), (20, 4457486), (22, 4052260), (40, 2228743), (44, 2026130), (55, 1620904), (88, 1013065), (110, 810452), (220, 405226), (440, 202613)]