79966889720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37720231}}^1$

素因数の和:37720295

約数の個数: 32

約数和(自身を含む): 183320327520

約数和(自身を除く): 103353437800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 37720231, 75440462, 150880924, 188601155, 301761848, 377202310, 754404620, 1508809240, 1999172243, 3998344486, 7996688972, 9995861215, 15993377944, 19991722430, 39983444860, 79966889720]

約数ペア:

[(1, 79966889720), (2, 39983444860), (4, 19991722430), (5, 15993377944), (8, 9995861215), (10, 7996688972), (20, 3998344486), (40, 1999172243), (53, 1508809240), (106, 754404620), (212, 377202310), (265, 301761848), (424, 188601155), (530, 150880924), (1060, 75440462), (2120, 37720231)]