39513760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 111206088

約数和(自身を除く): 71692328

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 157, 160, 176, 208, 220, 242, 260, 286, 314, 352, 416, 440, 484, 520, 572, 605, 628, 715, 785, 880, 968, 1040, 1144, 1210, 1256, 1430, 1570, 1573, 1727, 1760, 1936, 2041, 2080, 2288, 2420, 2512, 2860, 3140, 3146, 3454, 3872, 4082, 4576, 4840, 5024, 5720, 6280, 6292, 6908, 7865, 8164, 8635, 9680, 10205, 11440, 12560, 12584, 13816, 15730, 16328, 17270, 18997, 19360, 20410, 22451, 22880, 25120, 25168, 27632, 31460, 32656, 34540, 37994, 40820, 44902, 50336, 55264, 62920, 65312, 69080, 75988, 81640, 89804, 94985, 112255, 125840, 138160, 151976, 163280, 179608, 189970, 224510, 246961, 251680, 276320, 303952, 326560, 359216, 379940, 449020, 493922, 607904, 718432, 759880, 898040, 987844, 1234805, 1519760, 1796080, 1975688, 2469610, 3039520, 3592160, 3951376, 4939220, 7902752, 9878440, 19756880, 39513760]

約数ペア:

[(1, 39513760), (2, 19756880), (4, 9878440), (5, 7902752), (8, 4939220), (10, 3951376), (11, 3592160), (13, 3039520), (16, 2469610), (20, 1975688), (22, 1796080), (26, 1519760), (32, 1234805), (40, 987844), (44, 898040), (52, 759880), (55, 718432), (65, 607904), (80, 493922), (88, 449020), (104, 379940), (110, 359216), (121, 326560), (130, 303952), (143, 276320), (157, 251680), (160, 246961), (176, 224510), (208, 189970), (220, 179608), (242, 163280), (260, 151976), (286, 138160), (314, 125840), (352, 112255), (416, 94985), (440, 89804), (484, 81640), (520, 75988), (572, 69080), (605, 65312), (628, 62920), (715, 55264), (785, 50336), (880, 44902), (968, 40820), (1040, 37994), (1144, 34540), (1210, 32656), (1256, 31460), (1430, 27632), (1570, 25168), (1573, 25120), (1727, 22880), (1760, 22451), (1936, 20410), (2041, 19360), (2080, 18997), (2288, 17270), (2420, 16328), (2512, 15730), (2860, 13816), (3140, 12584), (3146, 12560), (3454, 11440), (3872, 10205), (4082, 9680), (4576, 8635), (4840, 8164), (5024, 7865), (5720, 6908), (6280, 6292)]