16381550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 31966704

約数和(自身を除く): 15585154

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 131, 205, 262, 305, 410, 610, 655, 1025, 1310, 1525, 2050, 2501, 3050, 3275, 5002, 5371, 6550, 7991, 10742, 12505, 15982, 25010, 26855, 39955, 53710, 62525, 79910, 125050, 134275, 199775, 268550, 327631, 399550, 655262, 1638155, 3276310, 8190775, 16381550]

約数ペア:

[(1, 16381550), (2, 8190775), (5, 3276310), (10, 1638155), (25, 655262), (41, 399550), (50, 327631), (61, 268550), (82, 199775), (122, 134275), (131, 125050), (205, 79910), (262, 62525), (305, 53710), (410, 39955), (610, 26855), (655, 25010), (1025, 15982), (1310, 12505), (1525, 10742), (2050, 7991), (2501, 6550), (3050, 5371), (3275, 5002)]