87665840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1303}}^1$

素因数の和:1374

約数の個数: 60

約数和(自身を含む): 211255824

約数和(自身を除く): 123589984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 841, 1160, 1303, 1682, 2320, 2606, 3364, 4205, 5212, 6515, 6728, 8410, 10424, 13030, 13456, 16820, 20848, 26060, 33640, 37787, 52120, 67280, 75574, 104240, 151148, 188935, 302296, 377870, 604592, 755740, 1095823, 1511480, 2191646, 3022960, 4383292, 5479115, 8766584, 10958230, 17533168, 21916460, 43832920, 87665840]

約数ペア:

[(1, 87665840), (2, 43832920), (4, 21916460), (5, 17533168), (8, 10958230), (10, 8766584), (16, 5479115), (20, 4383292), (29, 3022960), (40, 2191646), (58, 1511480), (80, 1095823), (116, 755740), (145, 604592), (232, 377870), (290, 302296), (464, 188935), (580, 151148), (841, 104240), (1160, 75574), (1303, 67280), (1682, 52120), (2320, 37787), (2606, 33640), (3364, 26060), (4205, 20848), (5212, 16820), (6515, 13456), (6728, 13030), (8410, 10424)]