55544840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 79930360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 479, 520, 892, 958, 1115, 1784, 1916, 2230, 2395, 2899, 3832, 4460, 4790, 5798, 6227, 8920, 9580, 11596, 12454, 14495, 19160, 23192, 24908, 28990, 31135, 49816, 57980, 62270, 106817, 115960, 124540, 213634, 249080, 427268, 534085, 854536, 1068170, 1388621, 2136340, 2777242, 4272680, 5554484, 6943105, 11108968, 13886210, 27772420, 55544840]

約数ペア:

[(1, 55544840), (2, 27772420), (4, 13886210), (5, 11108968), (8, 6943105), (10, 5554484), (13, 4272680), (20, 2777242), (26, 2136340), (40, 1388621), (52, 1068170), (65, 854536), (104, 534085), (130, 427268), (223, 249080), (260, 213634), (446, 124540), (479, 115960), (520, 106817), (892, 62270), (958, 57980), (1115, 49816), (1784, 31135), (1916, 28990), (2230, 24908), (2395, 23192), (2899, 19160), (3832, 14495), (4460, 12454), (4790, 11596), (5798, 9580), (6227, 8920)]