25316720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1$

素因数の和:2250

約数の個数: 80

約数和(自身を含む): 69183072

約数和(自身を除く): 43866352

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2213, 2288, 2860, 4426, 5720, 8852, 11065, 11440, 17704, 22130, 24343, 28769, 35408, 44260, 48686, 57538, 88520, 97372, 115076, 121715, 143845, 177040, 194744, 230152, 243430, 287690, 316459, 389488, 460304, 486860, 575380, 632918, 973720, 1150760, 1265836, 1582295, 1947440, 2301520, 2531672, 3164590, 5063344, 6329180, 12658360, 25316720]

約数ペア:

[(1, 25316720), (2, 12658360), (4, 6329180), (5, 5063344), (8, 3164590), (10, 2531672), (11, 2301520), (13, 1947440), (16, 1582295), (20, 1265836), (22, 1150760), (26, 973720), (40, 632918), (44, 575380), (52, 486860), (55, 460304), (65, 389488), (80, 316459), (88, 287690), (104, 243430), (110, 230152), (130, 194744), (143, 177040), (176, 143845), (208, 121715), (220, 115076), (260, 97372), (286, 88520), (440, 57538), (520, 48686), (572, 44260), (715, 35408), (880, 28769), (1040, 24343), (1144, 22130), (1430, 17704), (2213, 11440), (2288, 11065), (2860, 8852), (4426, 5720)]