90800008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 189524160

約数和(自身を除く): 98724152

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 83, 104, 134, 157, 166, 268, 314, 332, 536, 628, 664, 871, 1079, 1256, 1742, 2041, 2158, 3484, 4082, 4316, 5561, 6968, 8164, 8632, 10519, 11122, 13031, 16328, 21038, 22244, 26062, 42076, 44488, 52124, 72293, 84152, 104248, 136747, 144586, 169403, 273494, 289172, 338806, 546988, 578344, 677612, 873077, 1093976, 1355224, 1746154, 3492308, 6984616, 11350001, 22700002, 45400004, 90800008]

約数ペア:

[(1, 90800008), (2, 45400004), (4, 22700002), (8, 11350001), (13, 6984616), (26, 3492308), (52, 1746154), (67, 1355224), (83, 1093976), (104, 873077), (134, 677612), (157, 578344), (166, 546988), (268, 338806), (314, 289172), (332, 273494), (536, 169403), (628, 144586), (664, 136747), (871, 104248), (1079, 84152), (1256, 72293), (1742, 52124), (2041, 44488), (2158, 42076), (3484, 26062), (4082, 22244), (4316, 21038), (5561, 16328), (6968, 13031), (8164, 11122), (8632, 10519)]