16804450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 17318366

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 206, 251, 325, 502, 515, 650, 1030, 1255, 1339, 2510, 2575, 2678, 3263, 5150, 6275, 6526, 6695, 12550, 13390, 16315, 25853, 32630, 33475, 51706, 66950, 81575, 129265, 163150, 258530, 336089, 646325, 672178, 1292650, 1680445, 3360890, 8402225, 16804450]

約数ペア:

[(1, 16804450), (2, 8402225), (5, 3360890), (10, 1680445), (13, 1292650), (25, 672178), (26, 646325), (50, 336089), (65, 258530), (103, 163150), (130, 129265), (206, 81575), (251, 66950), (325, 51706), (502, 33475), (515, 32630), (650, 25853), (1030, 16315), (1255, 13390), (1339, 12550), (2510, 6695), (2575, 6526), (2678, 6275), (3263, 5150)]