69936520

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4153}}^1$

素因数の和:4585

約数の個数: 32

約数和(自身を含む): 157768920

約数和(自身を除く): 87832400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4153, 4210, 8306, 8420, 16612, 16840, 20765, 33224, 41530, 83060, 166120, 1748413, 3496826, 6993652, 8742065, 13987304, 17484130, 34968260, 69936520]

約数ペア:

[(1, 69936520), (2, 34968260), (4, 17484130), (5, 13987304), (8, 8742065), (10, 6993652), (20, 3496826), (40, 1748413), (421, 166120), (842, 83060), (1684, 41530), (2105, 33224), (3368, 20765), (4153, 16840), (4210, 16612), (8306, 8420)]