26260325

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 43637832

約数和(自身を除く): 17377507

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 85, 91, 97, 119, 175, 221, 245, 325, 425, 455, 485, 595, 637, 679, 833, 1105, 1225, 1261, 1547, 1649, 2275, 2425, 2975, 3185, 3395, 4165, 4753, 5525, 6305, 7735, 8245, 8827, 10829, 11543, 15925, 16975, 20825, 21437, 23765, 31525, 38675, 41225, 44135, 54145, 57715, 61789, 80801, 107185, 118825, 150059, 220675, 270725, 288575, 308945, 404005, 535925, 750295, 1050413, 1544725, 2020025, 3751475, 5252065, 26260325]

約数ペア:

[(1, 26260325), (5, 5252065), (7, 3751475), (13, 2020025), (17, 1544725), (25, 1050413), (35, 750295), (49, 535925), (65, 404005), (85, 308945), (91, 288575), (97, 270725), (119, 220675), (175, 150059), (221, 118825), (245, 107185), (325, 80801), (425, 61789), (455, 57715), (485, 54145), (595, 44135), (637, 41225), (679, 38675), (833, 31525), (1105, 23765), (1225, 21437), (1261, 20825), (1547, 16975), (1649, 15925), (2275, 11543), (2425, 10829), (2975, 8827), (3185, 8245), (3395, 7735), (4165, 6305), (4753, 5525)]