2536240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{647}}^1$

素因数の和:674

約数の個数: 60

約数和(自身を含む): 6870096

約数和(自身を除く): 4333856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 647, 784, 980, 1294, 1960, 2588, 3235, 3920, 4529, 5176, 6470, 9058, 10352, 12940, 18116, 22645, 25880, 31703, 36232, 45290, 51760, 63406, 72464, 90580, 126812, 158515, 181160, 253624, 317030, 362320, 507248, 634060, 1268120, 2536240]

約数ペア:

[(1, 2536240), (2, 1268120), (4, 634060), (5, 507248), (7, 362320), (8, 317030), (10, 253624), (14, 181160), (16, 158515), (20, 126812), (28, 90580), (35, 72464), (40, 63406), (49, 51760), (56, 45290), (70, 36232), (80, 31703), (98, 25880), (112, 22645), (140, 18116), (196, 12940), (245, 10352), (280, 9058), (392, 6470), (490, 5176), (560, 4529), (647, 3920), (784, 3235), (980, 2588), (1294, 1960)]