42354920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 98366400

約数和(自身を除く): 56011480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 131, 137, 236, 262, 274, 295, 472, 524, 548, 590, 655, 685, 1048, 1096, 1180, 1310, 1370, 2360, 2620, 2740, 5240, 5480, 7729, 8083, 15458, 16166, 17947, 30916, 32332, 35894, 38645, 40415, 61832, 64664, 71788, 77290, 80830, 89735, 143576, 154580, 161660, 179470, 309160, 323320, 358940, 717880, 1058873, 2117746, 4235492, 5294365, 8470984, 10588730, 21177460, 42354920]

約数ペア:

[(1, 42354920), (2, 21177460), (4, 10588730), (5, 8470984), (8, 5294365), (10, 4235492), (20, 2117746), (40, 1058873), (59, 717880), (118, 358940), (131, 323320), (137, 309160), (236, 179470), (262, 161660), (274, 154580), (295, 143576), (472, 89735), (524, 80830), (548, 77290), (590, 71788), (655, 64664), (685, 61832), (1048, 40415), (1096, 38645), (1180, 35894), (1310, 32332), (1370, 30916), (2360, 17947), (2620, 16166), (2740, 15458), (5240, 8083), (5480, 7729)]