201821360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4513}}^1$

素因数の和:4582

約数の個数: 80

約数和(自身を含む): 517196064

約数和(自身を除く): 315374704

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, 4513, 5590, 8944, 9026, 11180, 18052, 22360, 22565, 36104, 44720, 45130, 58669, 72208, 90260, 117338, 180520, 194059, 234676, 293345, 361040, 388118, 469352, 586690, 776236, 938704, 970295, 1173380, 1552472, 1940590, 2346760, 2522767, 3104944, 3881180, 4693520, 5045534, 7762360, 10091068, 12613835, 15524720, 20182136, 25227670, 40364272, 50455340, 100910680, 201821360]

約数ペア:

[(1, 201821360), (2, 100910680), (4, 50455340), (5, 40364272), (8, 25227670), (10, 20182136), (13, 15524720), (16, 12613835), (20, 10091068), (26, 7762360), (40, 5045534), (43, 4693520), (52, 3881180), (65, 3104944), (80, 2522767), (86, 2346760), (104, 1940590), (130, 1552472), (172, 1173380), (208, 970295), (215, 938704), (260, 776236), (344, 586690), (430, 469352), (520, 388118), (559, 361040), (688, 293345), (860, 234676), (1040, 194059), (1118, 180520), (1720, 117338), (2236, 90260), (2795, 72208), (3440, 58669), (4472, 45130), (4513, 44720), (5590, 36104), (8944, 22565), (9026, 22360), (11180, 18052)]