25943056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1487

約数の個数: 40

約数和(自身を含む): 53816000

約数和(自身を除く): 27872944

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1399, 2318, 2798, 4636, 5596, 9272, 11192, 18544, 22384, 26581, 53162, 85339, 106324, 170678, 212648, 341356, 425296, 682712, 1365424, 1621441, 3242882, 6485764, 12971528, 25943056]

約数ペア:

[(1, 25943056), (2, 12971528), (4, 6485764), (8, 3242882), (16, 1621441), (19, 1365424), (38, 682712), (61, 425296), (76, 341356), (122, 212648), (152, 170678), (244, 106324), (304, 85339), (488, 53162), (976, 26581), (1159, 22384), (1399, 18544), (2318, 11192), (2798, 9272), (4636, 5596)]