128026880

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3449}}^1$

素因数の和:3499

約数の個数: 72

約数和(自身を含む): 317331000

約数和(自身を除く): 189304120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3449, 3712, 4640, 6898, 7424, 9280, 13796, 17245, 18560, 27592, 34490, 37120, 55184, 68980, 100021, 110368, 137960, 200042, 220736, 275920, 400084, 441472, 500105, 551840, 800168, 882944, 1000210, 1103680, 1600336, 2000420, 2207360, 3200672, 4000840, 4414720, 6401344, 8001680, 12802688, 16003360, 25605376, 32006720, 64013440, 128026880]

約数ペア:

[(1, 128026880), (2, 64013440), (4, 32006720), (5, 25605376), (8, 16003360), (10, 12802688), (16, 8001680), (20, 6401344), (29, 4414720), (32, 4000840), (40, 3200672), (58, 2207360), (64, 2000420), (80, 1600336), (116, 1103680), (128, 1000210), (145, 882944), (160, 800168), (232, 551840), (256, 500105), (290, 441472), (320, 400084), (464, 275920), (580, 220736), (640, 200042), (928, 137960), (1160, 110368), (1280, 100021), (1856, 68980), (2320, 55184), (3449, 37120), (3712, 34490), (4640, 27592), (6898, 18560), (7424, 17245), (9280, 13796)]