25420005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2287}}^1$

素因数の和:2330

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 24549915

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2287, 3705, 6861, 11115, 11435, 20583, 29731, 34305, 43453, 89193, 102915, 130359, 148655, 217265, 267579, 391077, 445965, 564889, 651795, 1337895, 1694667, 1955385, 2824445, 5084001, 8473335, 25420005]

約数ペア:

[(1, 25420005), (3, 8473335), (5, 5084001), (9, 2824445), (13, 1955385), (15, 1694667), (19, 1337895), (39, 651795), (45, 564889), (57, 445965), (65, 391077), (95, 267579), (117, 217265), (171, 148655), (195, 130359), (247, 102915), (285, 89193), (585, 43453), (741, 34305), (855, 29731), (1235, 20583), (2223, 11435), (2287, 11115), (3705, 6861)]