25109810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 26678350

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 59, 73, 106, 110, 118, 146, 265, 295, 365, 530, 583, 590, 649, 730, 803, 1166, 1298, 1606, 2915, 3127, 3245, 3869, 4015, 4307, 5830, 6254, 6490, 7738, 8030, 8614, 15635, 19345, 21535, 31270, 34397, 38690, 42559, 43070, 47377, 68794, 85118, 94754, 171985, 212795, 228271, 236885, 343970, 425590, 456542, 473770, 1141355, 2282710, 2510981, 5021962, 12554905, 25109810]

約数ペア:

[(1, 25109810), (2, 12554905), (5, 5021962), (10, 2510981), (11, 2282710), (22, 1141355), (53, 473770), (55, 456542), (59, 425590), (73, 343970), (106, 236885), (110, 228271), (118, 212795), (146, 171985), (265, 94754), (295, 85118), (365, 68794), (530, 47377), (583, 43070), (590, 42559), (649, 38690), (730, 34397), (803, 31270), (1166, 21535), (1298, 19345), (1606, 15635), (2915, 8614), (3127, 8030), (3245, 7738), (3869, 6490), (4015, 6254), (4307, 5830)]