25185070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 50621760

約数和(自身を除く): 25436690

約数列:

[1, 2, 5, 10, 19, 38, 41, 53, 61, 82, 95, 106, 122, 190, 205, 265, 305, 410, 530, 610, 779, 1007, 1159, 1558, 2014, 2173, 2318, 2501, 3233, 3895, 4346, 5002, 5035, 5795, 6466, 7790, 10070, 10865, 11590, 12505, 16165, 21730, 25010, 32330, 41287, 47519, 61427, 82574, 95038, 122854, 132553, 206435, 237595, 265106, 307135, 412870, 475190, 614270, 662765, 1325530, 2518507, 5037014, 12592535, 25185070]

約数ペア:

[(1, 25185070), (2, 12592535), (5, 5037014), (10, 2518507), (19, 1325530), (38, 662765), (41, 614270), (53, 475190), (61, 412870), (82, 307135), (95, 265106), (106, 237595), (122, 206435), (190, 132553), (205, 122854), (265, 95038), (305, 82574), (410, 61427), (530, 47519), (610, 41287), (779, 32330), (1007, 25010), (1159, 21730), (1558, 16165), (2014, 12505), (2173, 11590), (2318, 10865), (2501, 10070), (3233, 7790), (3895, 6466), (4346, 5795), (5002, 5035)]