2493996800

素因数分解:

$2^8\times 5^2\times {\mathrm{389687}}^1$

素因数の和:389713

約数の個数: 54

約数和(自身を含む): 6173047608

約数和(自身を除く): 3679050808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 389687, 779374, 1558748, 1948435, 3117496, 3896870, 6234992, 7793740, 9742175, 12469984, 15587480, 19484350, 24939968, 31174960, 38968700, 49879936, 62349920, 77937400, 99759872, 124699840, 155874800, 249399680, 311749600, 498799360, 623499200, 1246998400, 2493996800]

約数ペア:

[(1, 2493996800), (2, 1246998400), (4, 623499200), (5, 498799360), (8, 311749600), (10, 249399680), (16, 155874800), (20, 124699840), (25, 99759872), (32, 77937400), (40, 62349920), (50, 49879936), (64, 38968700), (80, 31174960), (100, 24939968), (128, 19484350), (160, 15587480), (200, 12469984), (256, 9742175), (320, 7793740), (400, 6234992), (640, 3896870), (800, 3117496), (1280, 1948435), (1600, 1558748), (3200, 779374), (6400, 389687)]