25705904

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 62995968

約数和(自身を除く): 37290064

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 587, 644, 782, 952, 1174, 1288, 1564, 1904, 2348, 2576, 2737, 3128, 4109, 4696, 5474, 6256, 8218, 9392, 9979, 10948, 13501, 16436, 19958, 21896, 27002, 32872, 39916, 43792, 54004, 65744, 69853, 79832, 94507, 108008, 139706, 159664, 189014, 216016, 229517, 279412, 378028, 459034, 558824, 756056, 918068, 1117648, 1512112, 1606619, 1836136, 3213238, 3672272, 6426476, 12852952, 25705904]

約数ペア:

[(1, 25705904), (2, 12852952), (4, 6426476), (7, 3672272), (8, 3213238), (14, 1836136), (16, 1606619), (17, 1512112), (23, 1117648), (28, 918068), (34, 756056), (46, 558824), (56, 459034), (68, 378028), (92, 279412), (112, 229517), (119, 216016), (136, 189014), (161, 159664), (184, 139706), (238, 108008), (272, 94507), (322, 79832), (368, 69853), (391, 65744), (476, 54004), (587, 43792), (644, 39916), (782, 32872), (952, 27002), (1174, 21896), (1288, 19958), (1564, 16436), (1904, 13501), (2348, 10948), (2576, 9979), (2737, 9392), (3128, 8218), (4109, 6256), (4696, 5474)]