78799960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67931}}^1$

素因数の和:67971

約数の個数: 32

約数和(自身を含む): 183416400

約数和(自身を除く): 104616440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67931, 135862, 271724, 339655, 543448, 679310, 1358620, 1969999, 2717240, 3939998, 7879996, 9849995, 15759992, 19699990, 39399980, 78799960]

約数ペア:

[(1, 78799960), (2, 39399980), (4, 19699990), (5, 15759992), (8, 9849995), (10, 7879996), (20, 3939998), (29, 2717240), (40, 1969999), (58, 1358620), (116, 679310), (145, 543448), (232, 339655), (290, 271724), (580, 135862), (1160, 67931)]