512854520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{1009}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 1175882400

約数和(自身を除く): 663027880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 131, 194, 262, 388, 485, 524, 655, 776, 970, 1009, 1048, 1310, 1940, 2018, 2620, 3880, 4036, 5045, 5240, 8072, 10090, 12707, 20180, 25414, 40360, 50828, 63535, 97873, 101656, 127070, 132179, 195746, 254140, 264358, 391492, 489365, 508280, 528716, 660895, 782984, 978730, 1057432, 1321790, 1957460, 2643580, 3914920, 5287160, 12821363, 25642726, 51285452, 64106815, 102570904, 128213630, 256427260, 512854520]

約数ペア:

[(1, 512854520), (2, 256427260), (4, 128213630), (5, 102570904), (8, 64106815), (10, 51285452), (20, 25642726), (40, 12821363), (97, 5287160), (131, 3914920), (194, 2643580), (262, 1957460), (388, 1321790), (485, 1057432), (524, 978730), (655, 782984), (776, 660895), (970, 528716), (1009, 508280), (1048, 489365), (1310, 391492), (1940, 264358), (2018, 254140), (2620, 195746), (3880, 132179), (4036, 127070), (5045, 101656), (5240, 97873), (8072, 63535), (10090, 50828), (12707, 40360), (20180, 25414)]