78802000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 120

約数和(自身を含む): 201690216

約数和(自身を除く): 122888216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 41, 50, 62, 80, 82, 100, 124, 125, 155, 164, 200, 205, 248, 250, 310, 328, 400, 410, 496, 500, 620, 656, 775, 820, 961, 1000, 1025, 1240, 1271, 1550, 1640, 1922, 2000, 2050, 2480, 2542, 3100, 3280, 3844, 3875, 4100, 4805, 5084, 5125, 6200, 6355, 7688, 7750, 8200, 9610, 10168, 10250, 12400, 12710, 15376, 15500, 16400, 19220, 20336, 20500, 24025, 25420, 31000, 31775, 38440, 39401, 41000, 48050, 50840, 62000, 63550, 76880, 78802, 82000, 96100, 101680, 120125, 127100, 157604, 158875, 192200, 197005, 240250, 254200, 315208, 317750, 384400, 394010, 480500, 508400, 630416, 635500, 788020, 961000, 985025, 1271000, 1576040, 1922000, 1970050, 2542000, 3152080, 3940100, 4925125, 7880200, 9850250, 15760400, 19700500, 39401000, 78802000]

約数ペア:

[(1, 78802000), (2, 39401000), (4, 19700500), (5, 15760400), (8, 9850250), (10, 7880200), (16, 4925125), (20, 3940100), (25, 3152080), (31, 2542000), (40, 1970050), (41, 1922000), (50, 1576040), (62, 1271000), (80, 985025), (82, 961000), (100, 788020), (124, 635500), (125, 630416), (155, 508400), (164, 480500), (200, 394010), (205, 384400), (248, 317750), (250, 315208), (310, 254200), (328, 240250), (400, 197005), (410, 192200), (496, 158875), (500, 157604), (620, 127100), (656, 120125), (775, 101680), (820, 96100), (961, 82000), (1000, 78802), (1025, 76880), (1240, 63550), (1271, 62000), (1550, 50840), (1640, 48050), (1922, 41000), (2000, 39401), (2050, 38440), (2480, 31775), (2542, 31000), (3100, 25420), (3280, 24025), (3844, 20500), (3875, 20336), (4100, 19220), (4805, 16400), (5084, 15500), (5125, 15376), (6200, 12710), (6355, 12400), (7688, 10250), (7750, 10168), (8200, 9610)]