31740640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 80831520

約数和(自身を除く): 49090880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 80, 95, 106, 152, 160, 190, 197, 212, 265, 304, 380, 394, 424, 530, 608, 760, 788, 848, 985, 1007, 1060, 1520, 1576, 1696, 1970, 2014, 2120, 3040, 3152, 3743, 3940, 4028, 4240, 5035, 6304, 7486, 7880, 8056, 8480, 10070, 10441, 14972, 15760, 16112, 18715, 20140, 20882, 29944, 31520, 32224, 37430, 40280, 41764, 52205, 59888, 74860, 80560, 83528, 104410, 119776, 149720, 161120, 167056, 198379, 208820, 299440, 334112, 396758, 417640, 598880, 793516, 835280, 991895, 1587032, 1670560, 1983790, 3174064, 3967580, 6348128, 7935160, 15870320, 31740640]

約数ペア:

[(1, 31740640), (2, 15870320), (4, 7935160), (5, 6348128), (8, 3967580), (10, 3174064), (16, 1983790), (19, 1670560), (20, 1587032), (32, 991895), (38, 835280), (40, 793516), (53, 598880), (76, 417640), (80, 396758), (95, 334112), (106, 299440), (152, 208820), (160, 198379), (190, 167056), (197, 161120), (212, 149720), (265, 119776), (304, 104410), (380, 83528), (394, 80560), (424, 74860), (530, 59888), (608, 52205), (760, 41764), (788, 40280), (848, 37430), (985, 32224), (1007, 31520), (1060, 29944), (1520, 20882), (1576, 20140), (1696, 18715), (1970, 16112), (2014, 15760), (2120, 14972), (3040, 10441), (3152, 10070), (3743, 8480), (3940, 8056), (4028, 7880), (4240, 7486), (5035, 6304)]