2660877584

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{21467}}^1$

素因数の和:21663

約数の個数: 40

約数和(自身を含む): 5281471488

約数和(自身を除く): 2620593904

約数列:

[1, 2, 4, 8, 16, 61, 122, 127, 244, 254, 488, 508, 976, 1016, 2032, 7747, 15494, 21467, 30988, 42934, 61976, 85868, 123952, 171736, 343472, 1309487, 2618974, 2726309, 5237948, 5452618, 10475896, 10905236, 20951792, 21810472, 43620944, 166304849, 332609698, 665219396, 1330438792, 2660877584]

約数ペア:

[(1, 2660877584), (2, 1330438792), (4, 665219396), (8, 332609698), (16, 166304849), (61, 43620944), (122, 21810472), (127, 20951792), (244, 10905236), (254, 10475896), (488, 5452618), (508, 5237948), (976, 2726309), (1016, 2618974), (2032, 1309487), (7747, 343472), (15494, 171736), (21467, 123952), (30988, 85868), (42934, 61976)]