89943940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2083}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 201664512

約数和(自身を除く): 111720572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 1270, 2083, 2159, 2540, 4166, 4318, 8332, 8636, 10415, 10795, 20830, 21590, 35411, 41660, 43180, 70822, 141644, 177055, 264541, 354110, 529082, 708220, 1058164, 1322705, 2645410, 4497197, 5290820, 8994394, 17988788, 22485985, 44971970, 89943940]

約数ペア:

[(1, 89943940), (2, 44971970), (4, 22485985), (5, 17988788), (10, 8994394), (17, 5290820), (20, 4497197), (34, 2645410), (68, 1322705), (85, 1058164), (127, 708220), (170, 529082), (254, 354110), (340, 264541), (508, 177055), (635, 141644), (1270, 70822), (2083, 43180), (2159, 41660), (2540, 35411), (4166, 21590), (4318, 20830), (8332, 10795), (8636, 10415)]