51803020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^2$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 110899152

約数和(自身を除く): 59096132

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 191, 284, 355, 382, 710, 764, 955, 1420, 1910, 3820, 13561, 27122, 36481, 54244, 67805, 72962, 135610, 145924, 182405, 271220, 364810, 729620, 2590151, 5180302, 10360604, 12950755, 25901510, 51803020]

約数ペア:

[(1, 51803020), (2, 25901510), (4, 12950755), (5, 10360604), (10, 5180302), (20, 2590151), (71, 729620), (142, 364810), (191, 271220), (284, 182405), (355, 145924), (382, 135610), (710, 72962), (764, 67805), (955, 54244), (1420, 36481), (1910, 27122), (3820, 13561)]