201657040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2828

約数の個数: 80

約数和(自身を含む): 512217216

約数和(自身を除く): 310560176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2731, 2840, 3692, 4615, 5462, 5680, 7384, 9230, 10924, 13655, 14768, 18460, 21848, 27310, 35503, 36920, 43696, 54620, 71006, 73840, 109240, 142012, 177515, 193901, 218480, 284024, 355030, 387802, 568048, 710060, 775604, 969505, 1420120, 1551208, 1939010, 2520713, 2840240, 3102416, 3878020, 5041426, 7756040, 10082852, 12603565, 15512080, 20165704, 25207130, 40331408, 50414260, 100828520, 201657040]

約数ペア:

[(1, 201657040), (2, 100828520), (4, 50414260), (5, 40331408), (8, 25207130), (10, 20165704), (13, 15512080), (16, 12603565), (20, 10082852), (26, 7756040), (40, 5041426), (52, 3878020), (65, 3102416), (71, 2840240), (80, 2520713), (104, 1939010), (130, 1551208), (142, 1420120), (208, 969505), (260, 775604), (284, 710060), (355, 568048), (520, 387802), (568, 355030), (710, 284024), (923, 218480), (1040, 193901), (1136, 177515), (1420, 142012), (1846, 109240), (2731, 73840), (2840, 71006), (3692, 54620), (4615, 43696), (5462, 36920), (5680, 35503), (7384, 27310), (9230, 21848), (10924, 18460), (13655, 14768)]