128848400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{10391}}^1$

素因数の和:10440

約数の個数: 60

約数和(自身を含む): 319574784

約数和(自身を除く): 190726384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 10391, 12400, 20782, 41564, 51955, 83128, 103910, 166256, 207820, 259775, 322121, 415640, 519550, 644242, 831280, 1039100, 1288484, 1610605, 2078200, 2576968, 3221210, 4156400, 5153936, 6442420, 8053025, 12884840, 16106050, 25769680, 32212100, 64424200, 128848400]

約数ペア:

[(1, 128848400), (2, 64424200), (4, 32212100), (5, 25769680), (8, 16106050), (10, 12884840), (16, 8053025), (20, 6442420), (25, 5153936), (31, 4156400), (40, 3221210), (50, 2576968), (62, 2078200), (80, 1610605), (100, 1288484), (124, 1039100), (155, 831280), (200, 644242), (248, 519550), (310, 415640), (400, 322121), (496, 259775), (620, 207820), (775, 166256), (1240, 103910), (1550, 83128), (2480, 51955), (3100, 41564), (6200, 20782), (10391, 12400)]