25190440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57251}}^1$

素因数の和:57273

約数の個数: 32

約数和(自身を含む): 61832160

約数和(自身を除く): 36641720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57251, 114502, 229004, 286255, 458008, 572510, 629761, 1145020, 1259522, 2290040, 2519044, 3148805, 5038088, 6297610, 12595220, 25190440]

約数ペア:

[(1, 25190440), (2, 12595220), (4, 6297610), (5, 5038088), (8, 3148805), (10, 2519044), (11, 2290040), (20, 1259522), (22, 1145020), (40, 629761), (44, 572510), (55, 458008), (88, 286255), (110, 229004), (220, 114502), (440, 57251)]