40057220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{797}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 96526080

約数和(自身を除く): 56468860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 797, 1436, 1594, 1795, 2513, 3188, 3590, 3985, 5026, 5579, 7180, 7970, 10052, 11158, 12565, 15940, 22316, 25130, 27895, 50260, 55790, 111580, 286123, 572246, 1144492, 1430615, 2002861, 2861230, 4005722, 5722460, 8011444, 10014305, 20028610, 40057220]

約数ペア:

[(1, 40057220), (2, 20028610), (4, 10014305), (5, 8011444), (7, 5722460), (10, 4005722), (14, 2861230), (20, 2002861), (28, 1430615), (35, 1144492), (70, 572246), (140, 286123), (359, 111580), (718, 55790), (797, 50260), (1436, 27895), (1594, 25130), (1795, 22316), (2513, 15940), (3188, 12565), (3590, 11158), (3985, 10052), (5026, 7970), (5579, 7180)]