23551180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 50893920

約数和(自身を除く): 27342740

約数列:

[1, 2, 4, 5, 10, 20, 89, 101, 131, 178, 202, 262, 356, 404, 445, 505, 524, 655, 890, 1010, 1310, 1780, 2020, 2620, 8989, 11659, 13231, 17978, 23318, 26462, 35956, 44945, 46636, 52924, 58295, 66155, 89890, 116590, 132310, 179780, 233180, 264620, 1177559, 2355118, 4710236, 5887795, 11775590, 23551180]

約数ペア:

[(1, 23551180), (2, 11775590), (4, 5887795), (5, 4710236), (10, 2355118), (20, 1177559), (89, 264620), (101, 233180), (131, 179780), (178, 132310), (202, 116590), (262, 89890), (356, 66155), (404, 58295), (445, 52924), (505, 46636), (524, 44945), (655, 35956), (890, 26462), (1010, 23318), (1310, 17978), (1780, 13231), (2020, 11659), (2620, 8989)]