64499980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 140797440

約数和(自身を除く): 76297460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 470, 590, 940, 1163, 1180, 2326, 2773, 4652, 5546, 5815, 11092, 11630, 13865, 23260, 27730, 54661, 55460, 68617, 109322, 137234, 218644, 273305, 274468, 343085, 546610, 686170, 1093220, 1372340, 3224999, 6449998, 12899996, 16124995, 32249990, 64499980]

約数ペア:

[(1, 64499980), (2, 32249990), (4, 16124995), (5, 12899996), (10, 6449998), (20, 3224999), (47, 1372340), (59, 1093220), (94, 686170), (118, 546610), (188, 343085), (235, 274468), (236, 273305), (295, 218644), (470, 137234), (590, 109322), (940, 68617), (1163, 55460), (1180, 54661), (2326, 27730), (2773, 23260), (4652, 13865), (5546, 11630), (5815, 11092)]