11865880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 30290400

約数和(自身を除く): 18424520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1201, 1235, 1976, 2402, 2470, 4804, 4940, 6005, 9608, 9880, 12010, 15613, 22819, 24020, 31226, 45638, 48040, 62452, 78065, 91276, 114095, 124904, 156130, 182552, 228190, 296647, 312260, 456380, 593294, 624520, 912760, 1186588, 1483235, 2373176, 2966470, 5932940, 11865880]

約数ペア:

[(1, 11865880), (2, 5932940), (4, 2966470), (5, 2373176), (8, 1483235), (10, 1186588), (13, 912760), (19, 624520), (20, 593294), (26, 456380), (38, 312260), (40, 296647), (52, 228190), (65, 182552), (76, 156130), (95, 124904), (104, 114095), (130, 91276), (152, 78065), (190, 62452), (247, 48040), (260, 45638), (380, 31226), (494, 24020), (520, 22819), (760, 15613), (988, 12010), (1201, 9880), (1235, 9608), (1976, 6005), (2402, 4940), (2470, 4804)]