20140240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 50621760

約数和(自身を除く): 30481520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 251, 272, 295, 340, 472, 502, 590, 680, 944, 1003, 1004, 1180, 1255, 1360, 2006, 2008, 2360, 2510, 4012, 4016, 4267, 4720, 5015, 5020, 8024, 8534, 10030, 10040, 14809, 16048, 17068, 20060, 20080, 21335, 29618, 34136, 40120, 42670, 59236, 68272, 74045, 80240, 85340, 118472, 148090, 170680, 236944, 251753, 296180, 341360, 503506, 592360, 1007012, 1184720, 1258765, 2014024, 2517530, 4028048, 5035060, 10070120, 20140240]

約数ペア:

[(1, 20140240), (2, 10070120), (4, 5035060), (5, 4028048), (8, 2517530), (10, 2014024), (16, 1258765), (17, 1184720), (20, 1007012), (34, 592360), (40, 503506), (59, 341360), (68, 296180), (80, 251753), (85, 236944), (118, 170680), (136, 148090), (170, 118472), (236, 85340), (251, 80240), (272, 74045), (295, 68272), (340, 59236), (472, 42670), (502, 40120), (590, 34136), (680, 29618), (944, 21335), (1003, 20080), (1004, 20060), (1180, 17068), (1255, 16048), (1360, 14809), (2006, 10040), (2008, 10030), (2360, 8534), (2510, 8024), (4012, 5020), (4016, 5015), (4267, 4720)]