2040337540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1433

約数の個数: 72

約数和(自身を含む): 4484229120

約数和(自身を除く): 2443891580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 961, 1279, 1660, 1922, 2558, 2573, 3844, 4805, 5116, 5146, 6395, 9610, 10292, 12790, 12865, 19220, 25580, 25730, 39649, 51460, 79298, 79763, 106157, 158596, 159526, 198245, 212314, 319052, 396490, 398815, 424628, 530785, 792980, 797630, 1061570, 1229119, 1595260, 2123140, 2458238, 3290867, 4916476, 6145595, 6581734, 12291190, 13163468, 16454335, 24582380, 32908670, 65817340, 102016877, 204033754, 408067508, 510084385, 1020168770, 2040337540]

約数ペア:

[(1, 2040337540), (2, 1020168770), (4, 510084385), (5, 408067508), (10, 204033754), (20, 102016877), (31, 65817340), (62, 32908670), (83, 24582380), (124, 16454335), (155, 13163468), (166, 12291190), (310, 6581734), (332, 6145595), (415, 4916476), (620, 3290867), (830, 2458238), (961, 2123140), (1279, 1595260), (1660, 1229119), (1922, 1061570), (2558, 797630), (2573, 792980), (3844, 530785), (4805, 424628), (5116, 398815), (5146, 396490), (6395, 319052), (9610, 212314), (10292, 198245), (12790, 159526), (12865, 158596), (19220, 106157), (25580, 79763), (25730, 79298), (39649, 51460)]