25362920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 63374400

約数和(自身を除く): 38011480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 977, 1180, 1298, 1954, 2360, 2596, 3245, 3908, 4885, 5192, 6490, 7816, 9770, 10747, 12980, 19540, 21494, 25960, 39080, 42988, 53735, 57643, 85976, 107470, 115286, 214940, 230572, 288215, 429880, 461144, 576430, 634073, 1152860, 1268146, 2305720, 2536292, 3170365, 5072584, 6340730, 12681460, 25362920]

約数ペア:

[(1, 25362920), (2, 12681460), (4, 6340730), (5, 5072584), (8, 3170365), (10, 2536292), (11, 2305720), (20, 1268146), (22, 1152860), (40, 634073), (44, 576430), (55, 461144), (59, 429880), (88, 288215), (110, 230572), (118, 214940), (220, 115286), (236, 107470), (295, 85976), (440, 57643), (472, 53735), (590, 42988), (649, 39080), (977, 25960), (1180, 21494), (1298, 19540), (1954, 12980), (2360, 10747), (2596, 9770), (3245, 7816), (3908, 6490), (4885, 5192)]