31936720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21011}}^1$

素因数の和:21043

約数の個数: 40

約数和(自身を含む): 78164640

約数和(自身を除く): 46227920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 21011, 42022, 84044, 105055, 168088, 210110, 336176, 399209, 420220, 798418, 840440, 1596836, 1680880, 1996045, 3193672, 3992090, 6387344, 7984180, 15968360, 31936720]

約数ペア:

[(1, 31936720), (2, 15968360), (4, 7984180), (5, 6387344), (8, 3992090), (10, 3193672), (16, 1996045), (19, 1680880), (20, 1596836), (38, 840440), (40, 798418), (76, 420220), (80, 399209), (95, 336176), (152, 210110), (190, 168088), (304, 105055), (380, 84044), (760, 42022), (1520, 21011)]