51314920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 123379200

約数和(自身を除く): 72064280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1427, 1798, 2854, 3596, 4495, 5708, 7135, 7192, 8990, 11416, 14270, 17980, 28540, 35960, 41383, 44237, 57080, 82766, 88474, 165532, 176948, 206915, 221185, 331064, 353896, 413830, 442370, 827660, 884740, 1282873, 1655320, 1769480, 2565746, 5131492, 6414365, 10262984, 12828730, 25657460, 51314920]

約数ペア:

[(1, 51314920), (2, 25657460), (4, 12828730), (5, 10262984), (8, 6414365), (10, 5131492), (20, 2565746), (29, 1769480), (31, 1655320), (40, 1282873), (58, 884740), (62, 827660), (116, 442370), (124, 413830), (145, 353896), (155, 331064), (232, 221185), (248, 206915), (290, 176948), (310, 165532), (580, 88474), (620, 82766), (899, 57080), (1160, 44237), (1240, 41383), (1427, 35960), (1798, 28540), (2854, 17980), (3596, 14270), (4495, 11416), (5708, 8990), (7135, 7192)]