84945320

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3313}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 191482920

約数和(自身を除く): 106537600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 3313, 5128, 6410, 6626, 12820, 13252, 16565, 25640, 26504, 33130, 66260, 132520, 2123633, 4247266, 8494532, 10618165, 16989064, 21236330, 42472660, 84945320]

約数ペア:

[(1, 84945320), (2, 42472660), (4, 21236330), (5, 16989064), (8, 10618165), (10, 8494532), (20, 4247266), (40, 2123633), (641, 132520), (1282, 66260), (2564, 33130), (3205, 26504), (3313, 25640), (5128, 16565), (6410, 13252), (6626, 12820)]