2040254720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{227707}}^1$

素因数の和:227735

約数の個数: 72

約数和(自身を含む): 5585221824

約数和(自身を除く): 3544967104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 227707, 455414, 910828, 1138535, 1593949, 1821656, 2277070, 3187898, 3643312, 4554140, 6375796, 7286624, 7969745, 9108280, 12751592, 14573248, 15939490, 18216560, 25503184, 29146496, 31878980, 36433120, 51006368, 58292992, 63757960, 72866240, 102012736, 127515920, 145732480, 204025472, 255031840, 291464960, 408050944, 510063680, 1020127360, 2040254720]

約数ペア:

[(1, 2040254720), (2, 1020127360), (4, 510063680), (5, 408050944), (7, 291464960), (8, 255031840), (10, 204025472), (14, 145732480), (16, 127515920), (20, 102012736), (28, 72866240), (32, 63757960), (35, 58292992), (40, 51006368), (56, 36433120), (64, 31878980), (70, 29146496), (80, 25503184), (112, 18216560), (128, 15939490), (140, 14573248), (160, 12751592), (224, 9108280), (256, 7969745), (280, 7286624), (320, 6375796), (448, 4554140), (560, 3643312), (640, 3187898), (896, 2277070), (1120, 1821656), (1280, 1593949), (1792, 1138535), (2240, 910828), (4480, 455414), (8960, 227707)]