102198080

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1227

約数の個数: 56

約数和(自身を含む): 244281960

約数和(自身を除く): 142083880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 821, 1556, 1642, 1945, 3112, 3284, 3890, 4105, 6224, 6568, 7780, 8210, 12448, 13136, 15560, 16420, 24896, 26272, 31120, 32840, 52544, 62240, 65680, 124480, 131360, 262720, 319369, 638738, 1277476, 1596845, 2554952, 3193690, 5109904, 6387380, 10219808, 12774760, 20439616, 25549520, 51099040, 102198080]

約数ペア:

[(1, 102198080), (2, 51099040), (4, 25549520), (5, 20439616), (8, 12774760), (10, 10219808), (16, 6387380), (20, 5109904), (32, 3193690), (40, 2554952), (64, 1596845), (80, 1277476), (160, 638738), (320, 319369), (389, 262720), (778, 131360), (821, 124480), (1556, 65680), (1642, 62240), (1945, 52544), (3112, 32840), (3284, 31120), (3890, 26272), (4105, 24896), (6224, 16420), (6568, 15560), (7780, 13136), (8210, 12448)]