202000240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4586

約数の個数: 80

約数和(自身を含む): 517654368

約数和(自身を除く): 315654128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 4517, 5590, 8944, 9034, 11180, 18068, 22360, 22585, 36136, 44720, 45170, 58721, 72272, 90340, 117442, 180680, 194231, 234884, 293605, 361360, 388462, 469768, 587210, 776924, 939536, 971155, 1174420, 1553848, 1942310, 2348840, 2525003, 3107696, 3884620, 4697680, 5050006, 7769240, 10100012, 12625015, 15538480, 20200024, 25250030, 40400048, 50500060, 101000120, 202000240]

約数ペア:

[(1, 202000240), (2, 101000120), (4, 50500060), (5, 40400048), (8, 25250030), (10, 20200024), (13, 15538480), (16, 12625015), (20, 10100012), (26, 7769240), (40, 5050006), (43, 4697680), (52, 3884620), (65, 3107696), (80, 2525003), (86, 2348840), (104, 1942310), (130, 1553848), (172, 1174420), (208, 971155), (215, 939536), (260, 776924), (344, 587210), (430, 469768), (520, 388462), (559, 361360), (688, 293605), (860, 234884), (1040, 194231), (1118, 180680), (1720, 117442), (2236, 90340), (2795, 72272), (3440, 58721), (4472, 45170), (4517, 44720), (5590, 36136), (8944, 22585), (9034, 22360), (11180, 18068)]