25405768

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 49104000

約数和(自身を除く): 23698232

約数列:

[1, 2, 4, 8, 61, 79, 122, 158, 244, 316, 488, 632, 659, 1318, 2636, 4819, 5272, 9638, 19276, 38552, 40199, 52061, 80398, 104122, 160796, 208244, 321592, 416488, 3175721, 6351442, 12702884, 25405768]

約数ペア:

[(1, 25405768), (2, 12702884), (4, 6351442), (8, 3175721), (61, 416488), (79, 321592), (122, 208244), (158, 160796), (244, 104122), (316, 80398), (488, 52061), (632, 40199), (659, 38552), (1318, 19276), (2636, 9638), (4819, 5272)]