13383125

素因数分解:

$5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 60

約数和(自身を含む): 21368160

約数和(自身を除く): 7985035

約数列:

[1, 5, 7, 19, 23, 25, 35, 49, 95, 115, 125, 133, 161, 175, 245, 437, 475, 575, 625, 665, 805, 875, 931, 1127, 1225, 2185, 2375, 2875, 3059, 3325, 4025, 4375, 4655, 5635, 6125, 10925, 11875, 14375, 15295, 16625, 20125, 21413, 23275, 28175, 30625, 54625, 76475, 83125, 100625, 107065, 116375, 140875, 273125, 382375, 535325, 581875, 704375, 1911875, 2676625, 13383125]

約数ペア:

[(1, 13383125), (5, 2676625), (7, 1911875), (19, 704375), (23, 581875), (25, 535325), (35, 382375), (49, 273125), (95, 140875), (115, 116375), (125, 107065), (133, 100625), (161, 83125), (175, 76475), (245, 54625), (437, 30625), (475, 28175), (575, 23275), (625, 21413), (665, 20125), (805, 16625), (875, 15295), (931, 14375), (1127, 11875), (1225, 10925), (2185, 6125), (2375, 5635), (2875, 4655), (3059, 4375), (3325, 4025)]