201668237560

素因数分解:

$2^3\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{1971727}}^1$

素因数の和:1974295

約数の個数: 32

約数和(自身を含む): 453931220160

約数和(自身を除く): 252262982600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2557, 5114, 10228, 12785, 20456, 25570, 51140, 102280, 1971727, 3943454, 7886908, 9858635, 15773816, 19717270, 39434540, 78869080, 5041705939, 10083411878, 20166823756, 25208529695, 40333647512, 50417059390, 100834118780, 201668237560]

約数ペア:

[(1, 201668237560), (2, 100834118780), (4, 50417059390), (5, 40333647512), (8, 25208529695), (10, 20166823756), (20, 10083411878), (40, 5041705939), (2557, 78869080), (5114, 39434540), (10228, 19717270), (12785, 15773816), (20456, 9858635), (25570, 7886908), (51140, 3943454), (102280, 1971727)]