25822905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 45152640

約数和(自身を除く): 19329735

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 89, 115, 145, 267, 345, 435, 445, 667, 841, 1335, 2001, 2047, 2523, 2581, 3335, 4205, 6141, 7743, 10005, 10235, 12615, 12905, 19343, 30705, 38715, 58029, 59363, 74849, 96715, 178089, 224547, 290145, 296815, 374245, 890445, 1122735, 1721527, 5164581, 8607635, 25822905]

約数ペア:

[(1, 25822905), (3, 8607635), (5, 5164581), (15, 1721527), (23, 1122735), (29, 890445), (69, 374245), (87, 296815), (89, 290145), (115, 224547), (145, 178089), (267, 96715), (345, 74849), (435, 59363), (445, 58029), (667, 38715), (841, 30705), (1335, 19343), (2001, 12905), (2047, 12615), (2523, 10235), (2581, 10005), (3335, 7743), (4205, 6141)]