25149380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 55218240

約数和(自身を除く): 30068860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 331, 524, 580, 655, 662, 1310, 1324, 1655, 2620, 3310, 3799, 6620, 7598, 9599, 15196, 18995, 19198, 37990, 38396, 43361, 47995, 75980, 86722, 95990, 173444, 191980, 216805, 433610, 867220, 1257469, 2514938, 5029876, 6287345, 12574690, 25149380]

約数ペア:

[(1, 25149380), (2, 12574690), (4, 6287345), (5, 5029876), (10, 2514938), (20, 1257469), (29, 867220), (58, 433610), (116, 216805), (131, 191980), (145, 173444), (262, 95990), (290, 86722), (331, 75980), (524, 47995), (580, 43361), (655, 38396), (662, 37990), (1310, 19198), (1324, 18995), (1655, 15196), (2620, 9599), (3310, 7598), (3799, 6620)]