25605320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 63609840

約数和(自身を除く): 38004520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1201, 1640, 2132, 2402, 2665, 4264, 4804, 5330, 6005, 9608, 10660, 12010, 15613, 21320, 24020, 31226, 48040, 49241, 62452, 78065, 98482, 124904, 156130, 196964, 246205, 312260, 393928, 492410, 624520, 640133, 984820, 1280266, 1969640, 2560532, 3200665, 5121064, 6401330, 12802660, 25605320]

約数ペア:

[(1, 25605320), (2, 12802660), (4, 6401330), (5, 5121064), (8, 3200665), (10, 2560532), (13, 1969640), (20, 1280266), (26, 984820), (40, 640133), (41, 624520), (52, 492410), (65, 393928), (82, 312260), (104, 246205), (130, 196964), (164, 156130), (205, 124904), (260, 98482), (328, 78065), (410, 62452), (520, 49241), (533, 48040), (820, 31226), (1066, 24020), (1201, 21320), (1640, 15613), (2132, 12010), (2402, 10660), (2665, 9608), (4264, 6005), (4804, 5330)]