56413840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 151240320

約数和(自身を除く): 94826480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 769, 917, 1048, 1310, 1538, 1834, 2096, 2620, 3076, 3668, 3845, 4585, 5240, 5383, 6152, 7336, 7690, 9170, 10480, 10766, 12304, 14672, 15380, 18340, 21532, 26915, 30760, 36680, 43064, 53830, 61520, 73360, 86128, 100739, 107660, 201478, 215320, 402956, 430640, 503695, 705173, 805912, 1007390, 1410346, 1611824, 2014780, 2820692, 3525865, 4029560, 5641384, 7051730, 8059120, 11282768, 14103460, 28206920, 56413840]

約数ペア:

[(1, 56413840), (2, 28206920), (4, 14103460), (5, 11282768), (7, 8059120), (8, 7051730), (10, 5641384), (14, 4029560), (16, 3525865), (20, 2820692), (28, 2014780), (35, 1611824), (40, 1410346), (56, 1007390), (70, 805912), (80, 705173), (112, 503695), (131, 430640), (140, 402956), (262, 215320), (280, 201478), (524, 107660), (560, 100739), (655, 86128), (769, 73360), (917, 61520), (1048, 53830), (1310, 43064), (1538, 36680), (1834, 30760), (2096, 26915), (2620, 21532), (3076, 18340), (3668, 15380), (3845, 14672), (4585, 12304), (5240, 10766), (5383, 10480), (6152, 9170), (7336, 7690)]