25300030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 29443010

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 89, 131, 155, 178, 217, 262, 310, 434, 445, 623, 655, 890, 917, 1085, 1246, 1310, 1834, 2170, 2759, 3115, 4061, 4585, 5518, 6230, 8122, 9170, 11659, 13795, 19313, 20305, 23318, 27590, 28427, 38626, 40610, 56854, 58295, 81613, 96565, 116590, 142135, 163226, 193130, 284270, 361429, 408065, 722858, 816130, 1807145, 2530003, 3614290, 5060006, 12650015, 25300030]

約数ペア:

[(1, 25300030), (2, 12650015), (5, 5060006), (7, 3614290), (10, 2530003), (14, 1807145), (31, 816130), (35, 722858), (62, 408065), (70, 361429), (89, 284270), (131, 193130), (155, 163226), (178, 142135), (217, 116590), (262, 96565), (310, 81613), (434, 58295), (445, 56854), (623, 40610), (655, 38626), (890, 28427), (917, 27590), (1085, 23318), (1246, 20305), (1310, 19313), (1834, 13795), (2170, 11659), (2759, 9170), (3115, 8122), (4061, 6230), (4585, 5518)]