78811240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103699}}^1$

素因数の和:103729

約数の個数: 32

約数和(自身を含む): 186660000

約数和(自身を除く): 107848760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103699, 207398, 414796, 518495, 829592, 1036990, 1970281, 2073980, 3940562, 4147960, 7881124, 9851405, 15762248, 19702810, 39405620, 78811240]

約数ペア:

[(1, 78811240), (2, 39405620), (4, 19702810), (5, 15762248), (8, 9851405), (10, 7881124), (19, 4147960), (20, 3940562), (38, 2073980), (40, 1970281), (76, 1036990), (95, 829592), (152, 518495), (190, 414796), (380, 207398), (760, 103699)]