201779440

素因数分解:

$2^4\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{2039}}^1$

素因数の和:3289

約数の個数: 40

約数和(自身を含む): 469746720

約数和(自身を除く): 267967280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1237, 2039, 2474, 4078, 4948, 6185, 8156, 9896, 10195, 12370, 16312, 19792, 20390, 24740, 32624, 40780, 49480, 81560, 98960, 163120, 2522243, 5044486, 10088972, 12611215, 20177944, 25222430, 40355888, 50444860, 100889720, 201779440]

約数ペア:

[(1, 201779440), (2, 100889720), (4, 50444860), (5, 40355888), (8, 25222430), (10, 20177944), (16, 12611215), (20, 10088972), (40, 5044486), (80, 2522243), (1237, 163120), (2039, 98960), (2474, 81560), (4078, 49480), (4948, 40780), (6185, 32624), (8156, 24740), (9896, 20390), (10195, 19792), (12370, 16312)]