25287184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2075

約数の個数: 40

約数和(自身を含む): 53654552

約数和(自身を除く): 28367368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 1993, 3172, 3986, 6344, 7972, 12688, 15944, 25909, 31888, 51818, 103636, 121573, 207272, 243146, 414544, 486292, 972584, 1580449, 1945168, 3160898, 6321796, 12643592, 25287184]

約数ペア:

[(1, 25287184), (2, 12643592), (4, 6321796), (8, 3160898), (13, 1945168), (16, 1580449), (26, 972584), (52, 486292), (61, 414544), (104, 243146), (122, 207272), (208, 121573), (244, 103636), (488, 51818), (793, 31888), (976, 25909), (1586, 15944), (1993, 12688), (3172, 7972), (3986, 6344)]