26510225

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 43256160

約数和(自身を除く): 16745935

約数列:

[1, 5, 7, 17, 19, 25, 35, 49, 67, 85, 95, 119, 133, 175, 245, 323, 335, 425, 469, 475, 595, 665, 833, 931, 1139, 1225, 1273, 1615, 1675, 2261, 2345, 2975, 3283, 3325, 4165, 4655, 5695, 6365, 7973, 8075, 8911, 11305, 11725, 15827, 16415, 20825, 21641, 23275, 28475, 31825, 39865, 44555, 55811, 56525, 62377, 79135, 82075, 108205, 151487, 199325, 222775, 279055, 311885, 395675, 541025, 757435, 1060409, 1395275, 1559425, 3787175, 5302045, 26510225]

約数ペア:

[(1, 26510225), (5, 5302045), (7, 3787175), (17, 1559425), (19, 1395275), (25, 1060409), (35, 757435), (49, 541025), (67, 395675), (85, 311885), (95, 279055), (119, 222775), (133, 199325), (175, 151487), (245, 108205), (323, 82075), (335, 79135), (425, 62377), (469, 56525), (475, 55811), (595, 44555), (665, 39865), (833, 31825), (931, 28475), (1139, 23275), (1225, 21641), (1273, 20825), (1615, 16415), (1675, 15827), (2261, 11725), (2345, 11305), (2975, 8911), (3283, 8075), (3325, 7973), (4165, 6365), (4655, 5695)]