129470480

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11813}}^1$

素因数の和:11963

約数の個数: 40

約数和(自身を含む): 303241752

約数和(自身を除く): 173771272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 11813, 23626, 47252, 59065, 94504, 118130, 189008, 236260, 472520, 945040, 1618381, 3236762, 6473524, 8091905, 12947048, 16183810, 25894096, 32367620, 64735240, 129470480]

約数ペア:

[(1, 129470480), (2, 64735240), (4, 32367620), (5, 25894096), (8, 16183810), (10, 12947048), (16, 8091905), (20, 6473524), (40, 3236762), (80, 1618381), (137, 945040), (274, 472520), (548, 236260), (685, 189008), (1096, 118130), (1370, 94504), (2192, 59065), (2740, 47252), (5480, 23626), (10960, 11813)]