16380850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 32899680

約数和(自身を除く): 16518830

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 190, 215, 401, 430, 475, 802, 817, 950, 1075, 1634, 2005, 2150, 4010, 4085, 7619, 8170, 10025, 15238, 17243, 20050, 20425, 34486, 38095, 40850, 76190, 86215, 172430, 190475, 327617, 380950, 431075, 655234, 862150, 1638085, 3276170, 8190425, 16380850]

約数ペア:

[(1, 16380850), (2, 8190425), (5, 3276170), (10, 1638085), (19, 862150), (25, 655234), (38, 431075), (43, 380950), (50, 327617), (86, 190475), (95, 172430), (190, 86215), (215, 76190), (401, 40850), (430, 38095), (475, 34486), (802, 20425), (817, 20050), (950, 17243), (1075, 15238), (1634, 10025), (2005, 8170), (2150, 7619), (4010, 4085)]