27772420

素因数分解:

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

素因数の和:724

約数の個数: 48

約数和(自身を含む): 63221760

約数和(自身を除く): 35449340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 479, 892, 958, 1115, 1916, 2230, 2395, 2899, 4460, 4790, 5798, 6227, 9580, 11596, 12454, 14495, 24908, 28990, 31135, 57980, 62270, 106817, 124540, 213634, 427268, 534085, 1068170, 1388621, 2136340, 2777242, 5554484, 6943105, 13886210, 27772420]

約数ペア:

[(1, 27772420), (2, 13886210), (4, 6943105), (5, 5554484), (10, 2777242), (13, 2136340), (20, 1388621), (26, 1068170), (52, 534085), (65, 427268), (130, 213634), (223, 124540), (260, 106817), (446, 62270), (479, 57980), (892, 31135), (958, 28990), (1115, 24908), (1916, 14495), (2230, 12454), (2395, 11596), (2899, 9580), (4460, 6227), (4790, 5798)]