89907920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 220378752

約数和(自身を除く): 130470832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 131, 184, 230, 262, 368, 373, 460, 524, 655, 746, 920, 1048, 1310, 1492, 1840, 1865, 2096, 2620, 2984, 3013, 3730, 5240, 5968, 6026, 7460, 8579, 10480, 12052, 14920, 15065, 17158, 24104, 29840, 30130, 34316, 42895, 48208, 48863, 60260, 68632, 85790, 97726, 120520, 137264, 171580, 195452, 241040, 244315, 343160, 390904, 488630, 686320, 781808, 977260, 1123849, 1954520, 2247698, 3909040, 4495396, 5619245, 8990792, 11238490, 17981584, 22476980, 44953960, 89907920]

約数ペア:

[(1, 89907920), (2, 44953960), (4, 22476980), (5, 17981584), (8, 11238490), (10, 8990792), (16, 5619245), (20, 4495396), (23, 3909040), (40, 2247698), (46, 1954520), (80, 1123849), (92, 977260), (115, 781808), (131, 686320), (184, 488630), (230, 390904), (262, 343160), (368, 244315), (373, 241040), (460, 195452), (524, 171580), (655, 137264), (746, 120520), (920, 97726), (1048, 85790), (1310, 68632), (1492, 60260), (1840, 48863), (1865, 48208), (2096, 42895), (2620, 34316), (2984, 30130), (3013, 29840), (3730, 24104), (5240, 17158), (5968, 15065), (6026, 14920), (7460, 12052), (8579, 10480)]