25531220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 38819500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 113, 130, 143, 158, 220, 226, 260, 286, 316, 395, 452, 565, 572, 715, 790, 869, 1027, 1130, 1243, 1430, 1469, 1580, 1738, 2054, 2260, 2486, 2860, 2938, 3476, 4108, 4345, 4972, 5135, 5876, 6215, 7345, 8690, 8927, 10270, 11297, 12430, 14690, 16159, 17380, 17854, 20540, 22594, 24860, 29380, 32318, 35708, 44635, 45188, 56485, 64636, 80795, 89270, 98197, 112970, 116051, 161590, 178540, 196394, 225940, 232102, 323180, 392788, 464204, 490985, 580255, 981970, 1160510, 1276561, 1963940, 2321020, 2553122, 5106244, 6382805, 12765610, 25531220]

約数ペア:

[(1, 25531220), (2, 12765610), (4, 6382805), (5, 5106244), (10, 2553122), (11, 2321020), (13, 1963940), (20, 1276561), (22, 1160510), (26, 981970), (44, 580255), (52, 490985), (55, 464204), (65, 392788), (79, 323180), (110, 232102), (113, 225940), (130, 196394), (143, 178540), (158, 161590), (220, 116051), (226, 112970), (260, 98197), (286, 89270), (316, 80795), (395, 64636), (452, 56485), (565, 45188), (572, 44635), (715, 35708), (790, 32318), (869, 29380), (1027, 24860), (1130, 22594), (1243, 20540), (1430, 17854), (1469, 17380), (1580, 16159), (1738, 14690), (2054, 12430), (2260, 11297), (2486, 10270), (2860, 8927), (2938, 8690), (3476, 7345), (4108, 6215), (4345, 5876), (4972, 5135)]