2605460720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1\times {\mathrm{1031}}^1$

素因数の和:2094

約数の個数: 80

約数和(自身を含む): 6265313280

約数和(自身を除く): 3659852560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1019, 1031, 1240, 2038, 2062, 2480, 4076, 4124, 5095, 5155, 8152, 8248, 10190, 10310, 16304, 16496, 20380, 20620, 31589, 31961, 40760, 41240, 63178, 63922, 81520, 82480, 126356, 127844, 157945, 159805, 252712, 255688, 315890, 319610, 505424, 511376, 631780, 639220, 1050589, 1263560, 1278440, 2101178, 2527120, 2556880, 4202356, 5252945, 8404712, 10505890, 16809424, 21011780, 32568259, 42023560, 65136518, 84047120, 130273036, 162841295, 260546072, 325682590, 521092144, 651365180, 1302730360, 2605460720]

約数ペア:

[(1, 2605460720), (2, 1302730360), (4, 651365180), (5, 521092144), (8, 325682590), (10, 260546072), (16, 162841295), (20, 130273036), (31, 84047120), (40, 65136518), (62, 42023560), (80, 32568259), (124, 21011780), (155, 16809424), (248, 10505890), (310, 8404712), (496, 5252945), (620, 4202356), (1019, 2556880), (1031, 2527120), (1240, 2101178), (2038, 1278440), (2062, 1263560), (2480, 1050589), (4076, 639220), (4124, 631780), (5095, 511376), (5155, 505424), (8152, 319610), (8248, 315890), (10190, 255688), (10310, 252712), (16304, 159805), (16496, 157945), (20380, 127844), (20620, 126356), (31589, 82480), (31961, 81520), (40760, 63922), (41240, 63178)]