89074640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18253}}^1$

素因数の和:18327

約数の個数: 40

約数和(自身を含む): 210505128

約数和(自身を除く): 121430488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 18253, 36506, 73012, 91265, 146024, 182530, 292048, 365060, 730120, 1113433, 1460240, 2226866, 4453732, 5567165, 8907464, 11134330, 17814928, 22268660, 44537320, 89074640]

約数ペア:

[(1, 89074640), (2, 44537320), (4, 22268660), (5, 17814928), (8, 11134330), (10, 8907464), (16, 5567165), (20, 4453732), (40, 2226866), (61, 1460240), (80, 1113433), (122, 730120), (244, 365060), (305, 292048), (488, 182530), (610, 146024), (976, 91265), (1220, 73012), (2440, 36506), (4880, 18253)]