15945280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3833}}^1$

素因数の和:3863

約数の個数: 56

約数和(自身を含む): 40901112

約数和(自身を除く): 24955832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 3833, 4160, 7666, 15332, 19165, 30664, 38330, 49829, 61328, 76660, 99658, 122656, 153320, 199316, 245312, 249145, 306640, 398632, 498290, 613280, 797264, 996580, 1226560, 1594528, 1993160, 3189056, 3986320, 7972640, 15945280]

約数ペア:

[(1, 15945280), (2, 7972640), (4, 3986320), (5, 3189056), (8, 1993160), (10, 1594528), (13, 1226560), (16, 996580), (20, 797264), (26, 613280), (32, 498290), (40, 398632), (52, 306640), (64, 249145), (65, 245312), (80, 199316), (104, 153320), (130, 122656), (160, 99658), (208, 76660), (260, 61328), (320, 49829), (416, 38330), (520, 30664), (832, 19165), (1040, 15332), (2080, 7666), (3833, 4160)]