25290460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 57591072

約数和(自身を除く): 32300612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 461, 844, 922, 1055, 1844, 2110, 2305, 2743, 4220, 4610, 5486, 5993, 9220, 10972, 11986, 13715, 23972, 27430, 29965, 54860, 59930, 97271, 119860, 194542, 389084, 486355, 972710, 1264523, 1945420, 2529046, 5058092, 6322615, 12645230, 25290460]

約数ペア:

[(1, 25290460), (2, 12645230), (4, 6322615), (5, 5058092), (10, 2529046), (13, 1945420), (20, 1264523), (26, 972710), (52, 486355), (65, 389084), (130, 194542), (211, 119860), (260, 97271), (422, 59930), (461, 54860), (844, 29965), (922, 27430), (1055, 23972), (1844, 13715), (2110, 11986), (2305, 10972), (2743, 9220), (4220, 5993), (4610, 5486)]