66174740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 142829568

約数和(自身を除く): 76654828

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 212, 265, 326, 383, 530, 652, 766, 815, 1060, 1532, 1630, 1915, 3260, 3830, 7660, 8639, 17278, 20299, 34556, 40598, 43195, 62429, 81196, 86390, 101495, 124858, 172780, 202990, 249716, 312145, 405980, 624290, 1248580, 3308737, 6617474, 13234948, 16543685, 33087370, 66174740]

約数ペア:

[(1, 66174740), (2, 33087370), (4, 16543685), (5, 13234948), (10, 6617474), (20, 3308737), (53, 1248580), (106, 624290), (163, 405980), (212, 312145), (265, 249716), (326, 202990), (383, 172780), (530, 124858), (652, 101495), (766, 86390), (815, 81196), (1060, 62429), (1532, 43195), (1630, 40598), (1915, 34556), (3260, 20299), (3830, 17278), (7660, 8639)]