39823840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 114107616

約数和(自身を除く): 74283776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 160, 185, 217, 224, 248, 259, 280, 296, 310, 370, 434, 496, 518, 560, 592, 620, 740, 868, 961, 992, 1036, 1085, 1120, 1147, 1184, 1240, 1295, 1480, 1736, 1922, 2072, 2170, 2294, 2480, 2590, 2960, 3472, 3844, 4144, 4340, 4588, 4805, 4960, 5180, 5735, 5920, 6727, 6944, 7688, 8029, 8288, 8680, 9176, 9610, 10360, 11470, 13454, 15376, 16058, 17360, 18352, 19220, 20720, 22940, 26908, 30752, 32116, 33635, 34720, 35557, 36704, 38440, 40145, 41440, 45880, 53816, 64232, 67270, 71114, 76880, 80290, 91760, 107632, 128464, 134540, 142228, 153760, 160580, 177785, 183520, 215264, 248899, 256928, 269080, 284456, 321160, 355570, 497798, 538160, 568912, 642320, 711140, 995596, 1076320, 1137824, 1244495, 1284640, 1422280, 1991192, 2488990, 2844560, 3982384, 4977980, 5689120, 7964768, 9955960, 19911920, 39823840]

約数ペア:

[(1, 39823840), (2, 19911920), (4, 9955960), (5, 7964768), (7, 5689120), (8, 4977980), (10, 3982384), (14, 2844560), (16, 2488990), (20, 1991192), (28, 1422280), (31, 1284640), (32, 1244495), (35, 1137824), (37, 1076320), (40, 995596), (56, 711140), (62, 642320), (70, 568912), (74, 538160), (80, 497798), (112, 355570), (124, 321160), (140, 284456), (148, 269080), (155, 256928), (160, 248899), (185, 215264), (217, 183520), (224, 177785), (248, 160580), (259, 153760), (280, 142228), (296, 134540), (310, 128464), (370, 107632), (434, 91760), (496, 80290), (518, 76880), (560, 71114), (592, 67270), (620, 64232), (740, 53816), (868, 45880), (961, 41440), (992, 40145), (1036, 38440), (1085, 36704), (1120, 35557), (1147, 34720), (1184, 33635), (1240, 32116), (1295, 30752), (1480, 26908), (1736, 22940), (1922, 20720), (2072, 19220), (2170, 18352), (2294, 17360), (2480, 16058), (2590, 15376), (2960, 13454), (3472, 11470), (3844, 10360), (4144, 9610), (4340, 9176), (4588, 8680), (4805, 8288), (4960, 8029), (5180, 7688), (5735, 6944), (5920, 6727)]