25116520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4391}}^1$

素因数の和:4426

約数の個数: 64

約数和(自身を含む): 66407040

約数和(自身を除く): 41290520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4391, 5720, 8782, 17564, 21955, 35128, 43910, 48301, 57083, 87820, 96602, 114166, 175640, 193204, 228332, 241505, 285415, 386408, 456664, 483010, 570830, 627913, 966020, 1141660, 1255826, 1932040, 2283320, 2511652, 3139565, 5023304, 6279130, 12558260, 25116520]

約数ペア:

[(1, 25116520), (2, 12558260), (4, 6279130), (5, 5023304), (8, 3139565), (10, 2511652), (11, 2283320), (13, 1932040), (20, 1255826), (22, 1141660), (26, 966020), (40, 627913), (44, 570830), (52, 483010), (55, 456664), (65, 386408), (88, 285415), (104, 241505), (110, 228332), (130, 193204), (143, 175640), (220, 114166), (260, 96602), (286, 87820), (440, 57083), (520, 48301), (572, 43910), (715, 35128), (1144, 21955), (1430, 17564), (2860, 8782), (4391, 5720)]