39606640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 98565120

約数和(自身を除く): 58958480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 367, 380, 568, 710, 734, 760, 1136, 1349, 1420, 1468, 1520, 1835, 2698, 2840, 2936, 3670, 5396, 5680, 5872, 6745, 6973, 7340, 10792, 13490, 13946, 14680, 21584, 26057, 26980, 27892, 29360, 34865, 52114, 53960, 55784, 69730, 104228, 107920, 111568, 130285, 139460, 208456, 260570, 278920, 416912, 495083, 521140, 557840, 990166, 1042280, 1980332, 2084560, 2475415, 3960664, 4950830, 7921328, 9901660, 19803320, 39606640]

約数ペア:

[(1, 39606640), (2, 19803320), (4, 9901660), (5, 7921328), (8, 4950830), (10, 3960664), (16, 2475415), (19, 2084560), (20, 1980332), (38, 1042280), (40, 990166), (71, 557840), (76, 521140), (80, 495083), (95, 416912), (142, 278920), (152, 260570), (190, 208456), (284, 139460), (304, 130285), (355, 111568), (367, 107920), (380, 104228), (568, 69730), (710, 55784), (734, 53960), (760, 52114), (1136, 34865), (1349, 29360), (1420, 27892), (1468, 26980), (1520, 26057), (1835, 21584), (2698, 14680), (2840, 13946), (2936, 13490), (3670, 10792), (5396, 7340), (5680, 6973), (5872, 6745)]