40851200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 108

約数和(自身を含む): 109112808

約数和(自身を除く): 68261608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 491, 520, 640, 650, 800, 832, 982, 1040, 1280, 1300, 1600, 1664, 1964, 2080, 2455, 2600, 3200, 3328, 3928, 4160, 4910, 5200, 6383, 6400, 7856, 8320, 9820, 10400, 12275, 12766, 15712, 16640, 19640, 20800, 24550, 25532, 31424, 31915, 39280, 41600, 49100, 51064, 62848, 63830, 78560, 83200, 98200, 102128, 125696, 127660, 157120, 159575, 196400, 204256, 255320, 314240, 319150, 392800, 408512, 510640, 628480, 638300, 785600, 817024, 1021280, 1276600, 1571200, 1634048, 2042560, 2553200, 3142400, 4085120, 5106400, 8170240, 10212800, 20425600, 40851200]

約数ペア:

[(1, 40851200), (2, 20425600), (4, 10212800), (5, 8170240), (8, 5106400), (10, 4085120), (13, 3142400), (16, 2553200), (20, 2042560), (25, 1634048), (26, 1571200), (32, 1276600), (40, 1021280), (50, 817024), (52, 785600), (64, 638300), (65, 628480), (80, 510640), (100, 408512), (104, 392800), (128, 319150), (130, 314240), (160, 255320), (200, 204256), (208, 196400), (256, 159575), (260, 157120), (320, 127660), (325, 125696), (400, 102128), (416, 98200), (491, 83200), (520, 78560), (640, 63830), (650, 62848), (800, 51064), (832, 49100), (982, 41600), (1040, 39280), (1280, 31915), (1300, 31424), (1600, 25532), (1664, 24550), (1964, 20800), (2080, 19640), (2455, 16640), (2600, 15712), (3200, 12766), (3328, 12275), (3928, 10400), (4160, 9820), (4910, 8320), (5200, 7856), (6383, 6400)]