520128128

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1297}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 1121394120

約数和(自身を除く): 601265992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 241, 416, 482, 832, 964, 1297, 1664, 1928, 2594, 3133, 3856, 5188, 6266, 7712, 10376, 12532, 15424, 16861, 20752, 25064, 30848, 33722, 41504, 50128, 67444, 83008, 100256, 134888, 166016, 200512, 269776, 312577, 401024, 539552, 625154, 1079104, 1250308, 2158208, 2500616, 4063501, 5001232, 8127002, 10002464, 16254004, 20004928, 32508008, 40009856, 65016016, 130032032, 260064064, 520128128]

約数ペア:

[(1, 520128128), (2, 260064064), (4, 130032032), (8, 65016016), (13, 40009856), (16, 32508008), (26, 20004928), (32, 16254004), (52, 10002464), (64, 8127002), (104, 5001232), (128, 4063501), (208, 2500616), (241, 2158208), (416, 1250308), (482, 1079104), (832, 625154), (964, 539552), (1297, 401024), (1664, 312577), (1928, 269776), (2594, 200512), (3133, 166016), (3856, 134888), (5188, 100256), (6266, 83008), (7712, 67444), (10376, 50128), (12532, 41504), (15424, 33722), (16861, 30848), (20752, 25064)]